00773cz a2200181n 4500
n88172962
DLC
19890914132833.9
890831n| acannaab |a ana
n 88172962
(DLC)n 88172962
DLC
DLC
DLC
Allegheny Observatory
University of Pittsburgh.
Allegheny Observatory
Western University of Pennsylvania.
Allegheny Observatory
NUCMC data from Univ. of Pitt. Libr., Archives of Industrial Society for Schlesinger, F. Papers, 1905-1943
(Allegheny Observatory)
LC data base 8/24/89
(hdg.: Allegheny Observatory; Univ. of Pittsburgh); LC man. auth. cd. (hdg.: Allegheny Observatory; Western University of Pennsylvania; Allegheny, Pa.)