http://www.indiabix.com/technical-drawing/dimensioning-architectural-drawings/
http://books.google.com.lb/books?id=H9t_fdmbZAoC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false
http://books.google.com.lb/books?id=QbdMOM89qv0C&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false
last but not least you need access rights ( its free registration required )
http://www.scribd.com/search?query=Architectural+Drawings
Cheers : )
