Kalendae Maiae
Kalendae Maiae sunt antiquae hemisphaerii septentrionalis feriae vernae die 1 Maii habitae, usitate feriae publicae, et in multis culturis translaticiae veris feriae. Cum Internationali Operariorum Die congruit. In multis linguis tantum Dies Maii appellari potest; Anglice autem in Havaiis, Lei Day ('dies monilium').

Notae

Bibliographia
Aveni, Anthony. 2004. May Day: A Collision of Forces. In The Book of the Year: A Brief History of Our Seasonal Holidays, 79–89. Oxoniae: Oxford University Press. ISBN 0195150244.
Judge, Roy. 1988. May Day in England: An Introductory Bibliography. Londinii: Folklore Society Library, Vaughan Williams Memorial Library. ISBN 0854181520.

1 Maii
Fiesta de las Cruces ('Feriae crucum') 
Floralia
Malus Maius
Res Haymarket

Nexus externi

 Carmina Kalendarum Maiarum, piereligion.org
Dies Maii in Cuba, www.havanatimes.org (photographemata a Bill Hackwell facta, Havana Times, 27 Aprilis 2009)
Index eventuum Diei Maii per orbem terrarum habitorum, www.marxists.org
Londiniense Diei Maii Consilium, www.londonmayday.org
"Meet Thomas Morton of Merrymount," www.ancientlights.org 
Paganismus Anglicus, www.homestead.com (de originibus Kalendarum Maiarum in paganismo Anglico) 

Historiae Kalendarum Maiarum
Linebaugh, Peter. 2006. May Day with Heart, CounterPunch.
Linebaugh, Peter. 2010. The Incomplete, True, Authentic and Wonderful History of May Day, Midnight Notes.
Linebaugh, Peter. 2012. Ypsilanti Vampire May Day, CounterPunch, Aprili.

Calendarium

Ritus Maii
Religio