Tisdall, William St. Clair Towers 1859- Key to the modern Persian conversation-grammar : by the Rev. W. St. Clair-Tisdall - London : David Nutt, 1902 - 90p.; 19.5cm. - Method Gaspey-Otto-Sauer . Subjects--Topical Terms: Persian language--grammarPersian language--Conversation and phrase books Dewey Class. No.: 491.55