Volume 1: 1798-1838; Volume 2: 1838-1854; Volume 3: 1855-1872; Volume 4: 1872-1899; Volume 5: 1900-1914; Volume 6: 1914-1923; Volume 7: 1924-1933; Volume 8: 1933-1945; Volume 9: 1933-1945; Volume 10: 1940-1950; Volume 11: 1950-1954; Volume 12 1955-1957; Volume 13: 1957-1958; Volume 14: 1957-1958; Volume 15: 1958-1960; Volume 16: Maps.
Extensive and important repertoire of primary documents and maps reflecting the history of the Yemen 1798-1960.