commenced under the direction of Sir David Gill ; completed and prepared for press under the supervision of S.S. Hough
His Majesty's Stationery Office
1913-
Cape astrographic zones
v. 1-v. 11
zone -41° , zone -42° , zone -43° , zone -44° , zone -45° , zone -46° , zone -47° , zone -48° , zone -49° , zone -50° , zone -51°
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