"کتاب المدخل الی علم العدد" کے نسخوں کے درمیان فرق

* Nicomachus' [https://archive.org/details/NicomachusIntroToArithmetic "Introduction to Arithmetic"], translated by ''Martin Luther D'Ooge'' at archive.org.

* ''[https://babel.hathitrust.org/cgi/pt?id=mdp.39015005675411 Nicomachus of Gerasa: Introduction to Arithmetic]'' (1926) translated in English by [[:de:w:Martin Luther D’Ooge|Martin Luther D'Ooge]] with studies in Greek arithmetic by Frank Egleston Robbins and [[Louis Charles Karpinski]] at Haithi Trust Digital Library