Weaver, J. R. H. (1961). The Dictionary of National Biography: Twenthieth Century: Ed. by J[ohn] R[eginald] H[omer] Weaver (3. Aufl., Repr.). Oxford Univ. Press.

Weaver, John Reginald Homer. The Dictionary of National Biography: Twenthieth Century: Ed. by J[ohn] R[eginald] H[omer] Weaver. 3. Aufl., Repr. Oxford: Oxford Univ. Press, 1961.

Weaver, John Reginald Homer. The Dictionary of National Biography: Twenthieth Century: Ed. by J[ohn] R[eginald] H[omer] Weaver. 3. Aufl., Repr. Oxford Univ. Press, 1961.