Columbia subject headings:
Incunabula--Germany--Frankfurt am Main--Bibliography--Catalogs.
Melanchthon, Philip, 1497-1560--Autographs.
Private libraries--Germany--Catalogs.
Rare books--Germany--Frankfurt am Main--Bibliography--Catalogs.
Harvard subject headings:
Incunabula--Catalogs.
Melanchthon, Philip, 1497-1560--Autographs.
Rare books
Princeton subject headings:
Book auctions--England--London--Catalogs.
Catalogs.
Incunabula--Bibliography--Catalogs.
Kloss, Georg Franz Burkhard, 1787-1854--Library--Catalogs.
Melanchthon, Philip, 1497-1560--Autographs.
Private libraries--Germany--Frankfurt am Main--Catalogs.
Rare books--Bibliography.