Cited by other publications
This list is based on CrossRef data as of 03 october 2020. Please note that it may not be complete. Sources presented here have been supplied by the respective publishers. Any errors therein should be reported to them.
Professor Baum feels that the reader may add to the list of primary sources for himself on the basis of the biographical information given in notes 15 and 23. The present bibliography is confined to those titles actually referred to in the article. Ed.