See the Organon page for texts/etexts containing the entire collection.
- HTML (2 sections, 39-45 KB) at MIT Classics Archive (Translated by E.M. Edghill)
Available at Amazon.com:
- Greek/English Hardcover edition of Prior Analytics, Categories and On Interpretation; translations by H.P. Cooke and Hugh Tredennick (Harvard Univ Pr, 1938, 560 pg).
All links verified on or after July 7, 2019