Carlson; 1989; ISBN 0-926019-03-1 "The Natural History of A Social Movement: TheMontgomeryImprovementAssociation" by Ralph D. Abernathy 维基语录上的拉爾夫·阿伯內西语录
Hill(英语:Robert A. Hill (Jamaican historian)), ed. The Marcus Garvey and Universal Negro ImprovementAssociation Papers, Volume I, 1826 – August 1919. Berkeley
of the requirements for the $1.5 billion federal grant offered by the Passenger Rail Investment and Improvement Act of 2008. Helen Lew became the Metro's
specific improvement criteria with acceptable tolerability. At the final study visit, mean change scores (LS Mean, SEM) for the investigator rating on the AISRS