- Manigk, Oskar,--1934---Autograph1
- Meitzen, August,--1822-1910--Portraits1
- Mommsen, Theodor,--1817-19031
- Mondriaan, Carel, 1880-19561
- Mondriaan-van den Berg, Mary1
- Mondrian, Piet, 1872-1944--Portraits1
- Murphy, Baoth1
- Murphy, Gerald, 1888-19641
- Murphy, Honoria1
- Murphy, Patrick, 1920-19361
- Murphy, Sara1
- Oehlmann, Peter--Autograph1
- Petrovsky, Wolfgang,--1947---Autograph1
- Rainer, Arnulf, 1929-1
- Rehfeldt, Robert,--1931---Autograph1
- Runft, Thomas--Autograph1
- Schimansky, Hanns,--1949----Autograph1
- Shakhovskai︠a︡, Dagmar Ernestovna1
- Shawn, William.1
- Sicre, J. P. (Jean-Pierre)1