(SV) Gör vetenskap, inte krig, su epigenesys.eu. URL consultato il 4 novembre 2024 (archiviato dall'url originale il 7 luglio 2022).
worldcat.org
Vogt, p. 66. (EN) Annette B. Vogt, Gertrud Johanna Woker (1878–1968), in Jan Apotheker, Livia Simon Sarkadi, Nicole J. Moreau (a cura di), European women in chemistry, Weinheim, Wiley-VCH Verlag, 2011, pp. 65-67, ISBN9783527636464, OCLC929780622.
Vogt, p. 65. (EN) Annette B. Vogt, Gertrud Johanna Woker (1878–1968), in Jan Apotheker, Livia Simon Sarkadi, Nicole J. Moreau (a cura di), European women in chemistry, Weinheim, Wiley-VCH Verlag, 2011, pp. 65-67, ISBN9783527636464, OCLC929780622.
Ogilvie, p. 1392. (EN) Marilyn Ogilvie, Joy Harvey (a cura di), The biographical dictionary of women in science, 2. L-Z, Taylor and Francis, 2000, ISBN9780415920407, OCLC955413082.
(DE) Gertrud Woker, Die Katalyse : die Rolle der Katalyse in der analytischen Chemie, vol. 4, Stuttgart, Enke, 1910-1931, OCLC1347882204.
Vogt, p. 67. (EN) Annette B. Vogt, Gertrud Johanna Woker (1878–1968), in Jan Apotheker, Livia Simon Sarkadi, Nicole J. Moreau (a cura di), European women in chemistry, Weinheim, Wiley-VCH Verlag, 2011, pp. 65-67, ISBN9783527636464, OCLC929780622.