diff --git a/src/Selection.js b/src/Selection.js
index efb2a4be..9a7ae530 100644
--- a/src/Selection.js
+++ b/src/Selection.js
@@ -154,6 +154,49 @@ export default class Selection {
     clause.type = (clause.type === 'intersection') ? 'union' : 'intersection';
   }
 
+  addCorpus = (corpusId) => {
+    const existing = this.selectionJSON.data.some(e =>
+      e.selection.find(corpus => corpus === corpusId)
+      || e.exclusion.find(corpus => corpus === corpusId)
+    );
+    if (!existing) {
+      this.selectionJSON.data = [];
+      this.selectionJSON.data.push({type: 'intersection', selection: [], exclusion: [corpusId]});
+    }
+  }
+
+  toggleCorpus = (corpusId) => {
+    const existingClause = this.selectionJSON.data.find(s => {
+      const allTopics = [...s.selection, ...s.exclusion];
+      if (allTopics.length === 0) {
+        return false;
+      }
+      return true;
+    });
+    if (existingClause) {
+      this.testSwitchPlace(existingClause, corpusId, false, true);
+      if ([...existingClause.selection, ...existingClause.exclusion].length === 0)
+        this.selectionJSON.data.splice(this.selectionJSON.data.indexOf(existingClause), 1);
+    } else {
+      this.addCorpus(corpusId);
+    }
+  }
+
+  testSwitchPlace = (clause, criterion, toDelete, threeState) => {
+    let index;
+    if ((index = clause.selection.indexOf(criterion)) > -1) {
+      clause.selection.splice(index, 1);
+      if (!toDelete)
+        clause.exclusion.push(criterion);
+    } else if ((index = clause.exclusion.indexOf(criterion)) > -1) {
+      clause.exclusion.splice(index, 1);
+      if (!toDelete && !threeState)
+        clause.selection.push(criterion);
+    } else {
+      clause.exclusion.push(criterion);
+    }
+  };
+
   getClauses = () => this.selectionJSON.data;
 
   getMainClause = () => this.selectionJSON;
diff --git a/src/components/portfolioPage/Badge.jsx b/src/components/portfolioPage/Badge.jsx
index 177b2ee3..5eb51766 100644
--- a/src/components/portfolioPage/Badge.jsx
+++ b/src/components/portfolioPage/Badge.jsx
@@ -14,7 +14,7 @@ class Badge extends Component {
         {this.props.name}
         <button className={'badge badge-pill badge-dark oi ml-1 border-0 ' + (this.props.exclusion ? 'oi-plus' : 'oi-minus')}
           title={this.props.exclusion ? t`Inclure` : t`Exclure`}
-          onClick={this.handleChangeState}
+          onClick={!this.props.id.includes('corpus') ? this.handleChangeState : this.handleDeletion}
         > </button>
         <button className="badge badge-pill badge-dark oi oi-x border-0"
           title={t`Déselectionner`}
diff --git a/src/components/portfolioPage/Corpora.jsx b/src/components/portfolioPage/Corpora.jsx
index c810d6b9..2d55baa5 100644
--- a/src/components/portfolioPage/Corpora.jsx
+++ b/src/components/portfolioPage/Corpora.jsx
@@ -5,15 +5,32 @@ import memoize from 'memoize-one';
 import ItemCreator from './ItemCreator.jsx';
 import GeographicMap from './GeographicMap.jsx';
 import { Items } from '../../model.js';
+import Selection from '../../Selection.js';
 
 class Corpora extends Component {
 
   state = {
-    criteria: 'name'
+    criteria: 'name',
+    listCorpus: [],
+    firstReceive: false,
   };
 
   sort = memoize((items, criteria) => items.sort(by(`${criteria}.0`)));
 
+  componentDidUpdate(prevProps) {
+    if (this.props.ids.length !== prevProps.ids.length) {
+      let listFormated = [...this.props.ids];
+      listFormated = listFormated.map(corpus => {
+        corpus = 'corpus : '.concat(corpus);
+        return corpus;
+      });
+      this.setState({
+        listCorpus: listFormated,
+        firstReceive: true,
+      });
+    }
+  }
+
   render() {
     let itemsData = this.sort(this.props.items, this.state.criteria);
     let items = itemsData.map(x =>
@@ -23,8 +40,10 @@ class Corpora extends Component {
     let options = this._getOptions(attributes);
     let count = this.props.items.length;
     let total = this.props.from;
-    let listIds = this.props.ids.map((corpus) =>
-      <div key={corpus}>{corpus} <ItemCreator corpus={corpus} conf={this.props.conf} /></div>
+    let listIds = this.props.ids.map((corpus) =>{
+      let corpusFormated = 'corpus : '.concat(corpus);
+      return <div key={corpusFormated}> <input className="corpus_checkbox" type="checkbox" value={corpusFormated} onChange={this.handleChange} checked={this.isChecked(corpusFormated)}/> {corpus} <ItemCreator corpus={corpus} conf={this.props.conf} /></div>;
+    }
     );
     return (
       <div className="col-md-8 p-4">
@@ -63,12 +82,37 @@ class Corpora extends Component {
       <option key={attribute} value={attribute}> {attribute} </option>
     ));
   }
+
+  handleChange = (e) => {
+    let list = this.state.listCorpus;
+    let index = list.indexOf(e.target.value);
+    if (index !== -1) {
+      list.splice(index, 1);
+    } else {
+      list.push(e.target.value);
+    }
+    this.setState({
+      listCorpus: list
+    });
+    this.handleCorpusSelected(e.target.value);
+  }
+
+  isChecked(corpus) {
+    const selection = Selection.fromURI();
+    return selection.isSelectedOrExcluded(corpus) !== 'Excluded';
+  }
+
+  handleCorpusSelected(corpusId) {
+    const selection = Selection.fromURI();
+    selection.toggleCorpus(corpusId);
+    this.props.history.push(selection.toURI());
+  }
 }
 
 function Item(props) {
   let uri = `/item/${props.item.corpus}/${props.item.id}`;
   let name = [props.item.name].join(', '); //Name can be an array
-  let thumbnail = props.item.thumbnail && <img src={props.item.thumbnail} alt={name}/>;
+  let thumbnail = props.item.thumbnail && <img src={props.item.thumbnail} alt={name} />;
   let criteria = (props.criteria !== 'name')
     && <div className="About"> {props.item[props.criteria]} </div>;
   return (
diff --git a/src/components/portfolioPage/Portfolio.jsx b/src/components/portfolioPage/Portfolio.jsx
index af5a53bd..df65d3ad 100644
--- a/src/components/portfolioPage/Portfolio.jsx
+++ b/src/components/portfolioPage/Portfolio.jsx
@@ -155,10 +155,11 @@ class Portfolio extends Component {
   }
 
   _getItemAttributes(item) {
-    return new Items(
+    let result = new Items(
       [item]
     ).getAttributes()
       .map(([key, value]) => key.concat(' : ', value.replace('\'', '’')));
+    return result;
   }
 
   _isSelected(item) {
@@ -260,6 +261,7 @@ class Portfolio extends Component {
         from={this.state.items.length}
         items={this.state.selectedItems}
         conf={conf}
+        history={this.props.history}
       />
     );
   }
diff --git a/src/components/portfolioPage/SearchBar.jsx b/src/components/portfolioPage/SearchBar.jsx
index 0562460d..67e8e4a6 100644
--- a/src/components/portfolioPage/SearchBar.jsx
+++ b/src/components/portfolioPage/SearchBar.jsx
@@ -46,7 +46,11 @@ class SearchBar extends React.Component {
   handleSuggestionSelected = (_, { suggestion }) => {
     this.setState({pattern: ''});
     const selection = Selection.fromURI();
-    selection.addTopic(suggestion.id);
+    if (suggestion.id.includes('corpus')) {
+      selection.addCorpus(suggestion.id);
+    } else {
+      selection.addTopic(suggestion.id);
+    }
     this.props.history.push(selection.toURI());
   };
 
diff --git a/src/components/portfolioPage/Status.jsx b/src/components/portfolioPage/Status.jsx
index a124cf49..2f37c7e3 100644
--- a/src/components/portfolioPage/Status.jsx
+++ b/src/components/portfolioPage/Status.jsx
@@ -20,10 +20,10 @@ class Status extends Component {
         ...clause.exclusion.map(id => ({excluded: true, id, topic: this._getCandidate(id)}))]
         .sort(filter)
         .map(
-          t =>
-            (t.topic === null)
-              ? <Trans>Rubrique inconnue</Trans>
-              : <Badge exclusion={t.excluded} id={t.id} name={t.topic.name} _changeItemState={this._changeItemState}/>
+          t => {
+            let res = (t.topic === null) ? <Trans>Rubrique inconnue</Trans> : <Badge exclusion={t.excluded} id={t.id} name={t.topic.name} _changeItemState={this._changeItemState}/>;
+            return res;
+          }
         );
       status.push(topicsHTML.map((e, i) => i < topicsHTML.length - 1 ? [e, <Button clause={clause} _changeUnionState={this._changeUnionState}/>] : [e]).reduce((a, b) => a.concat(b))
       );
@@ -38,7 +38,9 @@ class Status extends Component {
 
   _getCandidate(id) {
     for (let v of this.props.candidates) {
-      if (v[id]) return v[id];
+      if (v[id]) {
+        return v[id];
+      }
     }
     return null;
   }
diff --git a/src/model.js b/src/model.js
index 11b00d38..9202526b 100644
--- a/src/model.js
+++ b/src/model.js
@@ -44,11 +44,12 @@ class Items {
       this.items
         .map(
           x => Object.entries(x).filter(
-            y => !['topic', 'resource', 'thumbnail', 'id', 'item', 'corpus', 'record', 'original', '_attachments'].includes(y[0])
+            y => !['topic', 'resource', 'thumbnail', 'id', 'item', 'record', 'original', '_attachments'].includes(y[0])
           )
         )
         .reduce((x, y) => x.concat(y), [])
-        .map(([x, y]) => JSON.stringify([x, y[0]]))
+        .map(([x, y]) => Array.isArray(y) ? [x, y[0]] : [x, y])
+        .map(JSON.stringify)
     )].map(JSON.parse);
 
   getAttributeKeys = () => [...new Set(this.getAttributes().map(x => x[0]))];