@book{90531,
	author = {Siddiqi, Amir Hasan.},
	title = {Caliphate and kingship :},
	publisher = {Porcupine,},
	year = {c1977.},
	address = {Philadelphia : },
	note = {"The subject treated in this book was presented as a thesis ... at the London university in 1934."--Introd.}
}