Encyclopedias, Almanacs, Transcripts, and Maps
- May Pacts (1902)
- May, Elaine
- May, Rollo Reece
- Maya, The
- Mayan Alphabet and Orthography
- Mayan Epigraphy
- Mayan Ethnohistory
- Mayapan
- Maynard, Don(ald) Rogers
- Maynard, Robert Clyve
- Mayo, Virginia
- Mayorazgo
- Mayorga, Silvio (1936–1967)
- Mayoruna
- Mayr, Ernst Walter
- Mays, William Howard, Jr. ("Willie")
- Mays, Willie Howard
- Maysalun
- Maza, Manuel Vicente de (1779–1839)
- Mazahua