Perennial calendar (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Perennial calendar" in English language version.

refsWebsite

Global rank English rank

1,601^st place

1,117^th place

613^th place

456^th place

1TheWorldCalendar.org

low place

low place

281^st place

448^th place

TheWorldCalendar.org

Elisabeth Achelis, "OCCASIONAL LEAP-WEEKS NOT PRACTICAL", The Journal of Calendar Reform, 25 (Dec. 1955-Jan. 1956): 187-190

ox.ac.uk

bodley.ox.ac.uk

Hirossa Ap-Iccim, "An Essay on the British Computation of Time, Coins, Weights, and Measures, and a Proposal for a New Georgian Æra, not to Err a Day in 10,000 Years", The Gentleman’s Magazine, 15 (1745): 377-379

utoronto.ca

individual.utoronto.ca

Bromberg, Irv. "The Symmetry010 Calendar". Symmetry454 and Symmetry010 Calendars, Kalendis Calculator, and more. Retrieved 6 August 2016.
Bromberg, Irv. "Solar Calendar Leap Rules". Symmetry454 and Symmetry010 Calendars, Kalendis Calculator, and more. Retrieved 7 August 2016.

vatican.va

Montini, Giovanni. "CONSTITUTION ON THE SACRED LITURGY SACROSANCTUM CONCILIUM SOLEMNLY PROMULGATED BY HIS HOLINESS POPE PAUL VI ON DECEMBER 4, 1963". Sacrosanctum concilium - La Santa Sede. Second Ecumenical Council of the Vatican. Retrieved 6 August 2016.