Columbia subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Langen, Albert, 1869-1909--Correspondence.
Publishers and publishing--Germany--Correspondence.
Simplicissimus (Munich, Germany)
Thoma, Ludwig, 1867-1921--Correspondence.
Harvard subject headings:
Authors, German--19th century--Correspondence
Langen, Albert, 1869-1909
Langen, Albert, 1869-1909--Correspondence.
Publishers and publishing--Germany--Correspondence
Thoma, Ludwig, 1867-1921
Thoma, Ludwig, 1867-1921--Correspondence.
Princeton subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Langen, Albert, 1869-1909--Correspondence.
Publishers and publishing--Germany--Correspondence.
Simplicissimus (Munich, Germany)
Thoma, Ludwig, 1867-1921--Correspondence.