TY  - BOOK
AU  - Richards,E.G.
TI  - Mapping time: the calendar and its history 
SN  - 0198504136
PY  - 1998///
CY  - Oxford, New York
PB  - Oxford University Press
KW  - Calendar
KW  - History
KW  - Calendars
KW  - fast
KW  - Calenders
KW  - Time astronomy
KW  - Time
N1  - Includes bibliographical references (pages 411-428) and index; The calendar in theory -- The calendars of the world -- Calendar conversions -- Easter -- Appendices
N2  - With background history on astronomy and the history of writing and counting as well as methods for converting dates in one calendar to another, this volume provides a useful overview of how calendars were invented and their subsequent development
ER  -