Hilda Clark, Review [Reviewed Work: The Austrian Revolution by Otto Bauer]. Economica 15 (1925) (1925) 349-351, doi:https://doi.org/10.2307/2547855.

Hilda Clark, Friends’ Relief Work in Vienna: The Scope of the Work. The Friend LIX, Nr. 48 (1919) (1919) 723.

Hilda Clark, The Approach of Winter. What it will mean to Austrian babies. A letter from Dr. Hilda Clark. The Manchester Guardian, online unter https://www.proquest.com/docview/476241812.