Vassal-queens and some contemporary women in the Roman empire - Macurdy, Grace Harriet 1866-1946 (The Johns Hopkins press, 1937)
Pref.: "An account of women belonging to the royal houses which were subject to Rome in the first century A. D. and of Zenobia, 'Queen of the East' in the third century A. D."
"The publications of this book was made possible by a grant from the Lucy Mainart Salmon fund for research, established at Vassar college in June, 1926"