1. Ḥall al-ʻuqdah bi-mulakhkhaṣ al-ifādah fī intāj al-awlād ḥasab al-irādah =: The mystery solved-sex controlled in reproduction Author(s): ʻArbīlī, Ibrahīm Yūsuf, 1852-1919 author Publication: [Washington, DC?] : [publisher not identified], 1916 Subject(s): EugenicsSex PreselectionSex Determination ProcessesHeredity