Historical atlases are good sources for maps, assuming they contain reproductions - as opposed to maps of their own creation
G1201.S1 H35 1953 American history atlas, adapted from the large wall maps.
E125.V6W1 S2 The Cosmographiæ introductio of Martin Waldseemüller in facsimile, followed by the Four voyages of Amerigo Vespucci, with their translation into English; to which are added Waldseemüller's two world maps of 1507, with an introduction by Prof. Joseph Fischer, S.J., and Prof. Franz von Wieser; ed. by Prof. Charles George Herbermann, PH. D.
G1030 .S4 Historical atlas, by
OS G2446.S1 H5 1985 Historical atlas of Africa / general editors, J.F. Ade Ajayi & Michael Crowder
OS G1201.S1 N3 1993 Historical atlas of the United States. National Geographic Society.
OS G1030 .H54 1981 Historical atlas of the world / [general editor R.I. Moore]
G1201.S1 W42 Our United States: its history in maps