Zimmer

*Shoghi Effendi*
WOB	World Order of Bahau'llah	New York 1938
GPB	God Passes By	Wilmette 1970
Promised Day	The Promised Day Is Come	Wilmette 1967

*Ruhiyyih Khanum*
Guardianship	Twenty-Five Years of the Guardianship	Wilmette 1948
Passing	The Passing of Shoghi Effendi	London 1958

*(Allegedly) Abdul Baha*
W.& T.	Will and Testament of Abdul Baha	Wilmette 1971

Esslemont
New Era	Baha'u'llah and the New Era	1923/1970

*Hofman*
Commentary	A Commentary on the Will and Testament of Abdul Baha	Oxford 1955

*White*
Bahai Religion	The Bahai Religion and its Enemy the Bahai Organization	Rutland 1929

*Ahmad Sohrab*
Silence	Broken Silence	New York 1942
Grandson	Abdul Baha's Grandson (Ruhi Effendi Afnan)	New York 1943
Will	The Wll and Testament of Abdul Baha, an Analysis	New York 1944

Bahai Publishing Committee
Bahai	The Covenant and Administration German-Swiss Edition: Bahai, Das Bundnis und die Verwaltungsordnung	Switzerland 1959
RGG	Religion in Geschichte und Gegenwart, Handworterbuch fur Theologie und Religionswissenschaften	1929/1959
"SdW"	Sonne der Wahrheit	Stuttgart 1921-1953
"BN"	Bahai Nachrichten

HERMANN ZIMMER