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> James R. Saltvold
James R. Saltvold
title
ISBN-13
(ISBN-10)
year of publication
Practical Perpetual Calendars: Innovative, Convenient and Green
978-1-532O-2135-O
(1-532O-2135-6)
2017
J R
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J. S.
·
James R.
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James S.
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R. S.
James R. Sanders