Mga kaalaman tungkol sa kalendaryo gan Lawagan, Ernesto

Time in world history gan Stearns, Peter N.

Keeping track...day by day gan Daza, Julie Y.

Keeping track...counting the days. IN Meduim Rare [column] gan Daza, Julie Y.

Seasonal customs of Korea gan Shaffer, David E.

The Oxford companion to the year gan Blackburn, Bonnie J.

Questioning the millennium a rationalist's guide to a precisely arbitrary countdown gan Gould, Stephen Jay

Calendars and constellations of the ancient world gan Plunket, Emmeline

Calendars and constellations of the ancient world gan Plunket, Emmeline M. b. 1835

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[Virgin Mary].