World of Ptavvs (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "World of Ptavvs" in English language version.

refsWebsite

Global rank English rank

6^th place

1,448^th place

1,179^th place

1^st place

low place

1,983^rd place

1,330^th place

archive.org

Budrys, Algis (April 1967). "Galaxy Bookshelf". Galaxy Science Fiction. pp. 166–173.
Larry Niven (15 September 1991). "5". N-Space. Tom Doherty Associates. ISBN 978-0-8125-1001-0.