No.	Title	Date
541	Manley Closing Rally	1989-02-07
542	Manley. End of Press Conference	2019-02-02
543	Manolo Ray : personal interviews. Part 2 of 2 ( 2 videos )
544	A man's religion revolves around his "ultimate concern"	1967
545	Map of Miami, Dade Co. Fla.	1896-06-09
546	Map of the metropolitan district of Dade County, Florida complied from records of government and private surveys	1921-10-01
547	Mapa de la Isla de Cuba. Formado con datos tomados de los mejores planos y cartas geográficas.	1895
548	Marc Bazin	1987-10-07
549	Marc Bazin	1986-10-20
550	Marcel Fombrun	1984-09-02
551	Marcelino Miyares : personal interviews. ( 3 videos )
552	Marcella Sembrich autographed photograph	1920
553	The march towards the universal religion	1960/1980
554	Margaritz Ruiz : personal interviews. ( 2 videos )
555	Maria E. Toraño : personal interviews. ( 2 videos )
556	Marisela Verena : Maria de los Angeles Torres : personal interviews. ( 2 videos )
557	Marisela Verena: personal interviews. Part 1 of 2.	1998-04
558	Marjory Harris Carr talks about Responsible Industry and Protecting the Keys	1983-06-25
559	Marjory Stoneman Douglas and Marjorie Harris Carr discuss changes of attitude towards the environment in state agencies. Marjory Stoneman Douglas discusses bureaucracy and the importance of the Governor’s appointments to office	1985
560	Marjory Stoneman Douglas and Marjorie Harris Carr discuss the basic simplicity of environmental problems	1985