CITATIONS TO THE WORK OF William J.…
https://cse.buffalo.edu/~rapaport/Papers/citations.pdf
8 May 2024:
2. Rapaport, William J. (1976), Intentionality and the Structure of Existence, Ph.D. ... 40. Perszyk, Kenneth J. (1993), Nonexistent Objects: Meinong and Contemporary Philosophy (Dordrecht,The Netherlands: Kluwer Academic Publishers).