Примеры на codeproject: Simple CRUD Using Backbone.js in ASP.NET MVC Razor и часть вторая. Backbone Template на asp.net. На stackoverflow.com Backbone.js + ASP.Net MVC.
A Comparison of Angular, Backbone, CanJS and Ember
backbone with OAuth in asp.net mvc4
ASP.NET MVC 4
GitHub — ptnplanet / backbone-oauth
Backbone.js + jsOAuth