Description
| Published: | First series published in 3 vols., July 1888-Apr. 1892; Ser. 2 began July 1907; Ser. 3 published in 52 vols., 1922-1973; Ser. 4 began in 1974; Ser. 5 began in 1991. |
| Item Description: | Description based on: Volume 1, number 1 (Feb. 1991); title from cover. Published: Cheverly, Md. : The Society, Feb. 1991- |
| Physical Description: | volumes : illustrations, maps ; 25 cm. |
| Publication Frequency: | Published twice a year. |
| ISSN: | 0017-6087 |
| Finding Aid: | Vols. 1 (1888)-3 (1892), in new ser. v. 6; ser. 5, v. 1 (1991)-6 (1996), in ser. 4, v. 6, no. 2. |