Columbia subject headings:
Dissertations, Academic--Austria--Bibliography.
Dissertations, Academic--Switzerland--Bibliography.
Philosophy, German--Bibliography.
Harvard subject headings:
Dissertations, Academic--Austria--Bibliography
Dissertations, Academic--Switzerland--Bibliography.
Philosophy, German--Bibliography.
Princeton subject headings:
Dissertations, Academic--Austria--Bibliography.
Dissertations, Academic--Switzerland--Bibliography.
Facsimiles.
Philosophy, German--Bibliography.