Apollonii Pergaei quae Graece exstant cum commentariis antiquis: Volume 2

Published 1891-3, this two-volume edition of the ground-breaking work on conics by Greek geometrician Apollonius of Perga (c.262-c.190 BCE) was edited by Danish philologist Johan Ludvig Heiberg (1854-1928). Volume 2 contains the Greek text of Book 4, with facing-page Latin translation, other fragments and ancient commentaries.