DOT NET TRICKS: Working with CollectionView in WPF(Filter,Sort, Group, Navigate)
986 – Filtering a ListBox Using a CollectionViewSource | 2,000 Things You Should Know About WPF
GitHub - SyncfusionExamples/How-to-apply-filters-in-wpf-treeview-using- collectionview-type-sources: This example describes how to apply filters in wpf treeview using collectionview type sources.
CollectionViewSource is crazy useful for binding to filtered Observable Collections on Windows Phone 8 - Scott Hanselman's Blog
CollectionViewSource Filter] 컬렉션뷰소스를 이용한 초간단 검색
External Filtering - Infragistics WPF™ Help
WPF - MVVM - Get filtered values from a GridView - Code4Noobz