diff --git a/backbone-relational/backbone-relational.d.ts b/backbone-relational/backbone-relational.d.ts
new file mode 100644
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+++ b/backbone-relational/backbone-relational.d.ts
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+// Type definitions for Backbone 0.8.5
+// Project: http://backbonerelational.org/
+// Definitions by: Eirik Hoem <https://github.com/eirikhm/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+
+/// <reference path="../jquery/jquery.d.ts" />
+
+/// <reference path="../backbone/backbone.d.ts" />
+
+declare module Backbone {
+    export class RelationalModel extends Model {
+        static extend(properties:any, classProperties?:any):any; // do not use, prefer TypeScript's extend functionality
+        relations:any;
+        subModelTypes:any;
+        subModelTypeAttribute:any;
+
+
+        initializeRelations(options:any):void;
+
+        updateRelations(options:any):void;
+
+        queue(func:any):void;
+
+        processQueue():void;
+
+        getRelation(name:string):Relation;
+
+        getRelations():Relation[];
+
+        fetchRelated(key:string, options?:any, update?:bool):any;
+
+        toJSON():any;
+
+        setup();
+
+        build(attributes:any, options?:any);
+
+        findOrCreate(attributes:string, options?:any);
+
+        findOrCreate(attributes:number, options?:any);
+
+        findOrCreate(attributes:any, options?:any);
+    }
+
+    export class Relation extends Model {
+
+        options:any;
+        instance:any;
+        key:any;
+        keyContents:any;
+        relatedModel:any;
+        relatedCollection:any;
+        reverseRelation:any;
+        related:any;
+
+        checkPreconditions():bool;
+
+        setRelated(related:Model):void;
+
+        setRelated(related:Collection):void;
+
+        getReverseRelations(model:RelationalModel):Relation;
+
+        destroy():void;
+    }
+
+    export class HasOne extends Relation {
+        collectionType:any;
+
+        findRelated(options:any):Model;
+
+        setKeyContents(keyContents:string):void;
+
+        setKeyContents(keyContents:string[]):void;
+
+        setKeyContents(keyContents:number):void;
+
+        setKeyContents(keyContents:number[]):void;
+
+        setKeyContents(keyContents:Collection):void;
+
+        onChange(model:Model, attr:any, options:any):void;
+
+        handleAddition(model:Model, coll:Collection, options:any):void;
+
+        handleRemoval(model:Model, coll:Collection, options:any):void;
+
+        handleReset(coll:Collection, options:any):void;
+
+        tryAddRelated(model:Model, coll:any, options:any):void;
+
+        addRelated(model:Model, options:any):void;
+
+        removeRelated(model:Model, coll:any, options:any):void;
+
+    }
+
+
+    export class HasMany extends Relation {
+        collectionType:any;
+
+        findRelated(options:any):Model;
+
+        setKeyContents(keyContents:string):void;
+
+        setKeyContents(keyContents:number):void;
+
+        setKeyContents(keyContents:Model):void;
+
+        onChange(model:Model, attr:any, options:any):void;
+
+        tryAddRelated(model:Model, coll:any, options:any):void;
+
+        addRelated(model:Model, options:any):void;
+
+        removeRelated(model:Model, coll:any, options:any):void;
+
+    }
+
+    export class Store extends Events {
+        initializeRelation(model, relation, options);
+
+        addModelScope(scope:any):void;
+
+        removeModelScope(scope):void;
+
+        addSubModels(subModelTypes:RelationalModel, superModelType:RelationalModel):void;
+
+        setupSuperModel(modelType:RelationalModel):void;
+
+        addReverseRelation(relation:any):void;
+
+        addOrphanRelation(relation:any):void;
+
+        processOrphanRelations():void;
+
+        retroFitRelation(relation:RelationalModel, create:bool):Collection;
+
+        getCollection(type:RelationalModel, create:bool):Collection;
+
+        getObjectByName(name:string):any;
+
+
+        resolveIdForItem(type:any, item:any):any;
+
+        find(type:any, item:string):RelationalModel;
+
+        find(type:any, item:number):RelationalModel;
+
+        find(type:any, item:RelationalModel):RelationalModel;
+
+        find(type:any, item:any):RelationalModel;
+
+        register(model:RelationalModel):void;
+
+        checkId(model:RelationalModel, id:any):void;
+
+        update(model:RelationalModel):void;
+
+        unregister(model:RelationalModel, collection:Collection, options:any):void;
+
+        reset():void;
+
+
+    }
+
+}
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