2003-01-01 - Kürtler, Türkler ve Araplar

1967 - A Pilgrimage to Lalish

1966-01-01 - A Kurdish-English Dictionary

1957 - Kurds, Turks, and Arabs

1945 - A bibliography of southern Kurdish - III

1937-01-01 - A bibliography of southern Kurdish - II

1937 - A Bibliography of Southern Kurdish - I

1936-01-01 - Soane at Halabja: An Echo

1933 - Developments in the use of Latin Character for the Writing of Kurdish