Sources
edit- Patronage#Arts
- Subscription business model
- Crowdfunding
- Subscription book publishing in the United States, 1865-1930 – 1943 - by Marjorie Stafford
- "Agents Wanted:" Subscription Publishing in America. A Brief History of Subscription Publishing
- 21st-century publishing builds on a healthy radical tradition
- The Oxford Companion to the Book 2010. Edited by Michael F. Suarez, S.J. and H. R. Woudhuysen