diff --git a/README.md b/README.md
index a6cc180..ebad82f 100644
--- a/README.md
+++ b/README.md
@@ -46,9 +46,22 @@ The list container accepts the following props:
 
 #### Basic Props
 
-##### `collection` (object) [required]
+##### `collection` (object|function) [required]
+
+The Meteor collection in which to look for data, or alternatively a function returning the collection or an Astronomy class.
+
+Example:
 
-The Meteor collection in which to look for data.
+```js
+// meteor collection
+collection = Categories;
+
+// passing an astronomy class
+const Category = AstronomyClass.create({
+  collection: Categories,
+});
+collection = () => Category;
+```
 
 ##### `selector` (object)
 
@@ -120,7 +133,7 @@ joins = [
   },
   {
     foreignProperty: "postId",
-    collection: Comments,
+    collection: () => Comments,
     joinAs: "comments"
   }
 ]
diff --git a/lib/DocumentContainer.jsx b/lib/DocumentContainer.jsx
index 5efe402..b13ed09 100644
--- a/lib/DocumentContainer.jsx
+++ b/lib/DocumentContainer.jsx
@@ -6,6 +6,10 @@ const DocumentContainer = React.createClass({
 
   mixins: [ReactMeteorData],
   
+  getCollection(prop) {
+    return typeof prop === "function" ? prop() : prop;
+  },
+
   getMeteorData() {
 
     // subscribe if necessary
@@ -14,7 +18,7 @@ const DocumentContainer = React.createClass({
       const subscription = subscribeFunction(this.props.publication, this.props.terms);
     }
 
-    const collection = this.props.collection;
+    const collection = this.getCollection(this.props.collection);
     const document = collection.findOne(this.props.selector);
 
     // look for any specified joins
@@ -37,7 +41,7 @@ const DocumentContainer = React.createClass({
 
           // get the property containing the id or ids
           const joinProperty = document[join.localProperty];
-          const collection = typeof join.collection === "function" ? join.collection() : join.collection;
+          const collection = this.getCollection(join.collection);
 
           // perform the join
           if (Array.isArray(joinProperty)) { // join property is an array of ids
@@ -79,7 +83,10 @@ const DocumentContainer = React.createClass({
 
 
 DocumentContainer.propTypes = {
-  collection: React.PropTypes.object.isRequired,
+  collection: React.PropTypes.oneOfType([
+    React.PropTypes.object,
+    React.PropTypes.func
+  ]).isRequired,
   selector: React.PropTypes.object.isRequired,
   publication: React.PropTypes.string,
   terms: React.PropTypes.any,
diff --git a/lib/ListContainer.jsx b/lib/ListContainer.jsx
index 95650f0..a4aade5 100644
--- a/lib/ListContainer.jsx
+++ b/lib/ListContainer.jsx
@@ -15,6 +15,10 @@ const ListContainer = React.createClass({
   },
 
   mixins: [ReactMeteorData],
+
+  getCollection(prop) {
+    return typeof prop === "function" ? prop() : prop;
+  },
   
   getMeteorData() {
 
@@ -45,7 +49,7 @@ const ListContainer = React.createClass({
 
     const selector = this.props.selector || {};
     const options = {...this.props.options, limit: this.state.limit}; 
-    const cursor = this.props.collection.find(selector, options);
+    const cursor = this.getCollection(this.props.collection).find(selector, options);
 
     data.count = cursor.count();
 
@@ -60,7 +64,7 @@ const ListContainer = React.createClass({
         // loop over each join
         this.props.joins.forEach(join => {
 
-          const collection = typeof join.collection === "function" ? join.collection() : join.collection;
+          const collection = this.getCollection(join.collection);
           const joinLimit = join.limit ? join.limit : 0;
 
           if (join.foreignProperty) {
@@ -154,7 +158,10 @@ const ListContainer = React.createClass({
 });
 
 ListContainer.propTypes = {
-  collection: React.PropTypes.object.isRequired,  // the collection to paginate
+  collection: React.PropTypes.oneOfType([         // the collection to paginate
+    React.PropTypes.object,
+    React.PropTypes.func
+  ]).isRequired,
   selector: React.PropTypes.object,               // the selector used in collection.find()
   options: React.PropTypes.object,                // the options used in collection.find()
   publication: React.PropTypes.string,            // the publication to subscribe to