First is a 34-page booklet on the rules and techniques of playing bridge - published in 1936 as advertising for Liggett & Myers Tobacco Co., manufacturers of Chesterfield cigarettes.
Second booklet is Culbertson System Digest produced by Sylvia Muntz, Culbertson Associate of Buffalo 8, NY.
No date given, most likely 1940s.
Cover info:
Streamlined
Indexed
New Scoring
Blackwood Convention
Of5