"Archiv für Geschichte der Philosophie", 30.1-4 (1917): 1-308. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/agph.1917.30.issue-1-4/issue-files/agph.1917.30.issue-1-4.xml

Archiv für Geschichte der Philosophie (1917), 30(1-4), pp. 1-308. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/agph.1917.30.issue-1-4/issue-files/agph.1917.30.issue-1-4.xml

Archiv für Geschichte der Philosophie. 1917. 30(1-4): 1-308. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/agph.1917.30.issue-1-4/issue-files/agph.1917.30.issue-1-4.xml