Upton Sinclair adapted his 1903 novel Prince Hagen: A Phantasy as a play.
HathiTrust Digital Library provides full view of the undated Privately Printed edition, including one with the original cover, a Harvard University copy: • Copyright page: -- stamped as received in a 1918 bequest -- copyrights 1903 by L. C. Page & Co., first publisher of the novel, and 1909 by the Valencia Theatre Co., probably as the first version of the adaptation, "tried out" in January • The preceding title page is undated. • The following page states in part (no heading): "Prince Hagen was tried out at the Valencia Theatre, San Francisco, in January, 1909. In the light of the experience thus gained, it has been entirely re-written. It is now privately printed, to be sent out to managers, critics and others who may be interested. ..."
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1912 | Plays of Protest | Mitchell Kennerley | Collection | 155 | |
| 1921 | Prince Hagen: A Drama in Four Acts | Novel | |||
| July 2002 | Prince Hagen | Project Gutenberg | Novel | ||
| January 2019 |
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Prince Hagen | Forgotten Books | Novel |