Alsberg, P. A. (1958). The policy of the Zionist executive in the period between the death of Herzl and the outbreak of World War I: A thesis for the degree of doctor of philosophy.

Alsberg, P. A. The Policy of the Zionist Executive in the Period Between the Death of Herzl and the Outbreak of World War I: A Thesis for the Degree of Doctor of Philosophy. Jerusalem, 1958.

Alsberg, P. A. The Policy of the Zionist Executive in the Period Between the Death of Herzl and the Outbreak of World War I: A Thesis for the Degree of Doctor of Philosophy. 1958.