উইকিপিডিয়া, মুক্ত বিশ্বকোষ থেকে
Book cover
Frontispiece of : "Tabulae Rudolphinae : quibus astronomicae ...." by Johannes Kepler, 1571-1630. Call number QB41 .K43 1627.
Image ID: libr0310, Treasures of the NOAA Library Collection Photographer: Archival Photograph by Mr. Steve Nicklas, NOS, NGS
Secondary source: NOAA Central Library National Oceanic & Atmospheric Adminstration (NOAA), USA
http://www.photolib.noaa.gov/library/libr0310.htm
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