Only Patrons See New Articles; Become a Patron Now!The Purple Mass (sources)
- PRIMARY SOURCE: "Flying 'Saucer' Just Dissolves," article in the Philadelphia Inquirer, newspaper of Philadelphia, PA, USA, September 27, 1950. Pgs. 1-2. Online [previews]: Page #1: https://www.newspapers.com/newspage/173350161/ - Page #2: https://www.newspapers.com/newspage/173350235/
- "Flying Saucers Now Dissolve," article in the Indiana Gazette, newspaper of Indiana, Pennsylvania, USA, September 27, 1950. Pg. 21. Online [preview]: https://www.newspapers.com/newspage/14042896/
- "Flying Disc Dissolves, Philadelphia Cops Say," article in the Zanesville Signal, newspaper of Zanesville, Ohio, September 27, 1950. Pg. 1. Online [preview]: https://newspaperarchive.com/zanesville-signal-sep-27-1950-p-1/
- "Some Strange Meteors," by John Phillip Bessor, article in FATE Magazine, #52 (vol. 7, no. 7), July 1954. Pgs.78-79.
- Strange World, by Frank Edwards, 1964 USA. Pgs. 344-345.
- Mysterious Fires and Lights, by Vincent Gaddis, 1967 USA. Pg. 42. Online [snippet]: https://books.google.com/books?id=9DBDAAAAIAAJ&q=philadelphia+%22john+collins%22+%22joseph+keenan%22&dq=philadelphia+%22john+collins%22+%22joseph+keenan%22&hl=en&sa=X&ved=0ahUKEwiVoZeAj8zYAhUW5GMKHTM3CWIQ6AEIKjAB
- "Beware the Glob!," page in the Mysterious Universe website, posted 7-18-2011, viewed 1-8-2017. Online: http://mysteriousuniverse.org/2011/07/beware-the-glob/
