Description
Published:No. 8 (June 1951)-no. 187 (fall/winter 1997).
Item Description:Published: Washington, D.C., Sept. 1986-fall/winter 1997.
Also available in microfilm.
Physical Description:180 volumes : illustrations, maps ; 29 cm.
Publication Frequency:3 no. a year, 1995-1997
ISSN:0036-1607
Finding Aid:No. 1 (1947)-70 (1967). 1 v.; no. 71 (1968)-102 (1975). 1 v.; no. 103 (1976)-158 (1989). 1 v.