9 books
Aristarchus of Samos, the ancient Copernicus; a history of Greek astronomy to Aristarchus, together with Aristarchus's Treatise on the sizes and distances of the sun and moon
A history of Greek mathematics (Volume I) From thales to Euclid
Diophants of Alexandria; A Study in the History of Greek Algebra
The Copernicus of Antiquity (Aristarchus of Samos)
The Copernicus of Antiquity
Aristarchus of Samos: The Ancient Copernicus
A History of Greek Mathematics, Volume II
History of Greek Mathematics, Volume II, A: From Aristarchus to Diophantus
History of Greek Mathematics, Volume I, A: From Thales to Euclid