Jabarkan Dionysius Exiguus' Easter table dari Computus

Mnemonic Computus Diagrams of Hands from manuscript in The British Library

St. Gallen, Stiftsbibliothek, Codex Sangallensis 378 (11th century) p. 28. Contains the poem Nonae Aprilis norunt quinos.

Towards a Common Date for Easter World Council of Churches (Faith and Order) and Middle East Council of Churches consultation; Aleppo, Syria; March 5 - 10, 1997

A simple method for determining the date of Easter for all years 326 to 4099 A.D. by Ronald W. Mallen

Text of the Calendar (New Style) Act 1750, British Act of Parliament introducing the Gregorian Calendar as amended to date. Contains tables for calculating Easter up until the year 8599. Contrast with the Act as passed.