diff --git a/frontend/src/js/component/wb-collection-fields.js b/frontend/src/js/component/wb-collection-fields.js
index 0bedadc..d693123 100644
--- a/frontend/src/js/component/wb-collection-fields.js
+++ b/frontend/src/js/component/wb-collection-fields.js
@@ -40,7 +40,7 @@ class WBCollectionFields extends Component {
         [ 'Description', wbFormatSpecialValue(item.description) ],
         [ 'Properties', (
           <WBAccordion names={ ['Properties'] } cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.properties } />
+            <WBJsonViewer app={ app } value={ item.properties } />
           </WBAccordion>
         ) ],
         [ 'Portable Data Hash', item.portable_data_hash ],
diff --git a/frontend/src/js/component/wb-container-fields.js b/frontend/src/js/component/wb-container-fields.js
index 9597301..bab11e4 100644
--- a/frontend/src/js/component/wb-container-fields.js
+++ b/frontend/src/js/component/wb-container-fields.js
@@ -39,38 +39,38 @@ class WBContainerFields extends Component {
         [ 'Environment', (
           <WBAccordion names={ ['Environment'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.environment } />
+            <WBJsonViewer app={ app } value={ item.environment } />
           </WBAccordion>
         ) ],
         [ 'Working Directory', item.cwd ],
         [ 'Command', (
-          <WBJsonViewer value={ item.command } />
+          <WBJsonViewer app={ app } value={ item.command } />
         ) ],
         [ 'Output Path', item.output_path ],
         [ 'Mounts', (
           <WBAccordion names={ Object.keys(item.mounts) }
             cardHeaderClass="card-header-sm">
             { Object.keys(item.mounts).map(k => (
-              <WBJsonViewer value={ item.mounts[k] } />
+              <WBJsonViewer app={ app } value={ item.mounts[k] } />
             )) }
           </WBAccordion>
         ) ],
         [ 'Runtime Constraints', (
           <WBAccordion names={ ['Runtime Constraints'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.runtime_constraints } />
+            <WBJsonViewer app={ app } value={ item.runtime_constraints } />
           </WBAccordion>
         ) ],
         [ 'Runtime Status', (
           <WBAccordion names={ ['Runtime Status'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.runtime_status } />
+            <WBJsonViewer app={ app } value={ item.runtime_status } />
           </WBAccordion>
         ) ],
         [ 'Scheduling Parameters', (
           <WBAccordion names={ ['Scheduling Parameters'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.scheduling_parameters } />
+            <WBJsonViewer app={ app } value={ item.scheduling_parameters } />
           </WBAccordion>
         ) ],
         [ 'Output', item.output ? (
diff --git a/frontend/src/js/component/wb-container-request-fields.js b/frontend/src/js/component/wb-container-request-fields.js
index cfedefe..38df3fd 100644
--- a/frontend/src/js/component/wb-container-request-fields.js
+++ b/frontend/src/js/component/wb-container-request-fields.js
@@ -34,7 +34,7 @@ class WBContainerRequestFields extends Component {
         [ 'Description', item.description || (<i>{ String(item.description) }</i>) ],
         [ 'Properties', (
           <WBAccordion names={ ['Properties'] } cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.properties } />
+            <WBJsonViewer app={ app } value={ item.properties } />
           </WBAccordion>
         ) ],
         [ 'State', item.state ],
@@ -49,20 +49,20 @@ class WBContainerRequestFields extends Component {
           <WBAccordion names={ Object.keys(item.mounts) }
             cardHeaderClass="card-header-sm">
             { Object.keys(item.mounts).map(k => (
-              <WBJsonViewer value={ item.mounts[k] } />
+              <WBJsonViewer app={ app } value={ item.mounts[k] } />
             )) }
           </WBAccordion>
         ) ],
         [ 'Runtime Constraints', (
           <WBAccordion names={ ['Runtime Constraints'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.runtime_constraints } />
+            <WBJsonViewer app={ app } value={ item.runtime_constraints } />
           </WBAccordion>
         ) ],
         [ 'Scheduling Parameters', (
           <WBAccordion names={ ['Scheduling Parameters'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.scheduling_parameters } />
+            <WBJsonViewer app={ app } value={ item.scheduling_parameters } />
           </WBAccordion>
         ) ],
         [ 'Container Image', (
@@ -71,12 +71,12 @@ class WBContainerRequestFields extends Component {
         [ 'Environment', (
           <WBAccordion names={ ['Environment'] }
             cardHeaderClass="card-header-sm">
-            <WBJsonViewer value={ item.environment } />
+            <WBJsonViewer app={ app } value={ item.environment } />
           </WBAccordion>
         ) ],
         [ 'Working Directory', item.cwd ],
         [ 'Command', (
-          <WBJsonViewer value={ item.command } />
+          <WBJsonViewer app={ app } value={ item.command } />
         ) ],
         [ 'Output Path', item.output_path ],
         [ 'Output Name', item.output_name ],
@@ -91,7 +91,7 @@ class WBContainerRequestFields extends Component {
           <WBNameAndUuid app={ app } uuid={ item.output_uuid } />
         ) ],
         [ 'Filters', (
-          item.filters ? (<WBJsonViewer value={ item.filters } />) : (<i>{ String(item.filters) }</i>)
+          item.filters ? (<WBJsonViewer app={ app } value={ item.filters } />) : (<i>{ String(item.filters) }</i>)
         ) ],
         [ 'Runtime Token', item.runtime_token || (<i>{ String(item.runtime_token) }</i>) ],
         [ 'Runtime User', (
@@ -99,7 +99,7 @@ class WBContainerRequestFields extends Component {
         ) ],
         [ 'Runtime Auth Scopes', (
           item.runtime_auth_scopes ? (
-            <WBJsonViewer value={ item.runtime_auth_scopes } />
+            <WBJsonViewer app={ app } value={ item.runtime_auth_scopes } />
           ) : (
             <i>{ String(item.runtime_auth_scopes) }</i>
           )
diff --git a/frontend/src/js/component/wb-json-viewer.js b/frontend/src/js/component/wb-json-viewer.js
index a9fdd20..b12f32e 100644
--- a/frontend/src/js/component/wb-json-viewer.js
+++ b/frontend/src/js/component/wb-json-viewer.js
@@ -1,8 +1,56 @@
 import { h, Component } from 'preact';
 import WBIdTools from 'wb-id-tools';
 import urlForObject from 'url-for-object';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosObjectName from 'arvados-object-name';
 
-function detectIds(value) {
+class WBLazyInlineName extends Component {
+  fetchData() {
+    const { app, identifier } = this.props;
+    const { arvHost, arvToken } = app.state;
+    const typeName = WBIdTools.typeName(identifier);
+    if (WBIdTools.isPDH(identifier)) {
+      const filters = [
+        [ 'portable_data_hash', '=', identifier ]
+      ];
+      let prom = makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/collections?filters=' + encodeURIComponent(JSON.stringify(filters)));
+      prom = prom.then(xhr => this.setState({ item: {
+        uuid: xhr.response.items.length > 0 ? xhr.response.items[0].uuid : '',
+        name: xhr.response.items.length > 0 ? xhr.response.items[0].name : 'Not Found' +
+          ( xhr.response.items_available > 1 ? ' (+' + (xhr.response.items_available - 1) + ' others)' : '' )
+      }}));
+      return;
+    }
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/' + typeName + 's/' + identifier);
+    prom = prom.then(xhr => this.setState({ item: xhr.response }));
+    prom = prom.catch(() => this.setState({ item: { name: 'Not Found' }}));
+  }
+
+  render({ identifier }, { item }) {
+    if (item) {
+      return (
+        <a href={ urlForObject(item) }>{ arvadosObjectName(item) }</a>
+      );
+    }
+
+    const typeName = WBIdTools.typeName(identifier);
+    const url = (typeName === 'group' ? '/browse/' + identifier :
+      typeName === 'collection' ? '/collection-browse/' + identifier :
+      urlForObject({ uuid: identifier }));
+    return (
+      <span>
+        <a href={ url }>{ identifier }</a> <a href="#" title="Look up"
+          onclick={ e => { e.preventDefault(); this.fetchData(); } }>
+          <i class="fas fa-search"></i>
+        </a>
+      </span>
+    );
+  }
+}
+
+function detectIds(value, app) {
   const matches = WBIdTools.detectIdentifiers(value);
   matches.sort((a, b) => (a.index - b.index));
   const res = [];
@@ -15,7 +63,7 @@ function detectIds(value) {
       typeName === 'collection' ? '/collection-browse/' + id :
       urlForObject({ uuid: id }));
     res.push(value.substring(ofs, index));
-    res.push(h('a', { href: url }, id));
+    res.push(h(WBLazyInlineName, { identifier: id, app }, id));
     ofs = index + id.length;
   }
   res.push(value.substring(ofs));
@@ -23,11 +71,11 @@ function detectIds(value) {
 }
 
 class WBJsonViewer extends Component {
-  render({ value, stringify }) {
+  render({ value, stringify, app }) {
     if (stringify)
       value = JSON.stringify(value, null, 2);
     return (
-      <div class="wb-json-viewer">{ detectIds(value) }</div>
+      <div class="wb-json-viewer">{ detectIds(value, app) }</div>
     );
   }
 }
diff --git a/frontend/src/js/component/wb-workflow-fields.js b/frontend/src/js/component/wb-workflow-fields.js
index 069e1fc..4e74eba 100644
--- a/frontend/src/js/component/wb-workflow-fields.js
+++ b/frontend/src/js/component/wb-workflow-fields.js
@@ -52,9 +52,9 @@ class WBWorkflowFields extends Component {
               <WBAccordion names={ [ 'Inputs', 'Outputs', 'Rest' ] }
                 cardHeaderClass="card-header-sm">
 
-                <WBJsonViewer value={ it.inputs } />
+                <WBJsonViewer app={ app } value={ it.inputs } />
 
-                <WBJsonViewer value={ it.outputs } />
+                <WBJsonViewer app={ app } value={ it.outputs } />
 
                 { (() => {
                   delete it['inputs'];
@@ -64,7 +64,7 @@ class WBWorkflowFields extends Component {
                   delete it['doc'];
                   delete it['id'];
                   return (
-                    <WBJsonViewer value={ it } />
+                    <WBJsonViewer app={ app } value={ it } />
                   );
                 })() }
 
@@ -78,7 +78,7 @@ class WBWorkflowFields extends Component {
             cardHeaderClass="card-header-sm">
 
             { graph.map(it => (
-              <WBJsonViewer value={ it } />
+              <WBJsonViewer app={ app } value={ it } />
             )) }
 
           </WBAccordion>