This article is a list of the best and most creative Social Bookmark Icon Sets for your web sites or blogs. If I have missed any, leave send me the link via the comments.
Not much to say. It's a great list of beautiful social icons from some of the best designers.
See the List
Letterhead and Logo Design 9 (Letterhead & LOGO Design (Quality)) (v. 9)
Designing Logos: The Process of Creating Symbols That Endure
Layout Workbook: A Real-World Guide to Building Pages in Graphic Design