János Bolyai ; with introduction, comments, and addenda, edited by Ferenc Kárteszi ; supplement by Barna Szénássy

North-Holland 1987 North-Holland mathematics studies 138

Available at 34 libraries

H. Reichardt ; mit Originalarbeiten von J. Bolyai, N.I. Lobatschewski und F. Klein

B.G. Teubner c1985 Teubner-Archiv zur Mathematik Bd. 4

Available at 15 libraries

by János Bólyai

Readex Microprint 1980 Landmarks II monographs

Microform (Microopaque)

Available at 1 libraries

by Roberto Bonola ; authorized English translation with additional appendices by H.S. Carslaw ; with an introduction by Federigo Enriques ; with a supplement containing the Dr. George Bruce Halsted translations of The science of absolute space by John Bolyai ; The theory of parallels by Nicholas Lobachevski

Dover 1955

Available at 73 libraries

by Roberto Bonola ; authorized English translation with additional appendices by H.S. Carslaw ; with an introd. by Federigo Enriques

Open Court 1912

Available at 37 libraries

by John Bolyai ; translated from the Latin by George Bruce Halsted

The Neomon 1896 4th ed.

Available at 2 libraries

by John Bolyai ; translated by George Bruce Halsted

[Sugaku Butsurigaku Kwai] [18--]

Available at 1 libraries