Columbia subject headings:
Einstein, Albert, 1879-1955.
Laue, Max von, 1879-1960.
Physicists--Germany (West)--Correspondence.
Physics--Philosophy.
Planck, Max, 1858-1947.
Rosenthal-Schneider, Ilse, 1891-1990--Friends and associates.
Science--Philosophy.
Harvard subject headings:
Einstein, Albert, 1879-1955
Laue, Max von, 1879-1960.
Physicists--Germany (West)--Correspondence.
Physics--Philosophy
Planck, Max, 1858-1947.
Rosenthal-Schneider, Ilse, 1891---Friends and associates.
Science--Philosophy
Princeton subject headings:
Einstein, Albert, 1879-1955.
Laue, Max von, 1879-1960.
Physicists--Germany (West)--Correspondence.
Physics--Philosophy.
Planck, Max, 1858-1947.
Rosenthal-Schneider, Ilse, 1891-1990--Friends and associates.
Science--Philosophy.