BEIN Peter Burton 487: Paperbound. From the Peter Burton Collection.
BEIN 2018 6048: Title page verso: First Avon printing, November, 1980. Paperbound. Manuscript notes of Samuel R. Delany. From the library of Samuel R. Delany.
BEIN 2018 11808: "Second printing"--Title page verso. Paperbound. From the library of Vincent Virga and James McCourt.