Here's a few from my library:
ACI 318, ACI 530, ASCE7, AISC ASD and LRFD, NDS 2001, joist and deck catalogs, and whatever other codes are relavent for your area.
Masonry:
Reinforced Masonry Engineering Handbook - Amrhein
Masonry Desginer's Guide 4 - TMS
Concrete:
Design of concrete Structures - Nilson, Darwin, Dolan
Reinforced Concrete - Nawy
Wood:
Design of Wood Structures - Breyer
Steel:
AISC HSS Conncetions Manual
ASD Volume 2 Connections
Steel Structures, 2E and 4E - Salmon and Johnson
Foundation Engineering - Das
Foundation Engineering - Coduto
Finite Elements - Cook, Malkus, Plesha, Witt
Adv. Mechanics of MAterials - Boresi, Schmidt
Dynamics of Structures - Chopra
Blodgett is a good author for steel
Contact hardware manufacturers such as Hilti, Ramset and Powers and ask for their product catalogs and product technical data.