On the youthful writings of Louis J. Mordell on the Diophantine equation \(y^2-k=x^3\) Sébastien GauthierFrançois Lê OriginalPaper 25 June 2019 Pages: 427 - 468
The Back Plate Inscription and eclipse scheme of the Antikythera Mechanism revisited Paul IversenAlexander Jones OriginalPaper Open access 24 June 2019 Pages: 469 - 511
Correction to: The Back Plate Inscription and eclipse scheme of the Antikythera Mechanism revisited Paul IversenAlexander Jones Correction 13 July 2019 Pages: 513 - 516
Ibn al-Fahhād and the Great Conjunction of 1166 AD S. Mohammad Mozaffari OriginalPaper 08 July 2019 Pages: 517 - 549