1. Über die Konstitution der Calebassenalkaloide aus Strychnos toxifera;Berlage;Helv. chim. Acta.,1958
2. Notiz zur Synthese des C-Toxiferins I aus Wieland-Gumlich-Aldehyd;Berlage;Helv. chim. Acta.,1959
3. The use of gallamine triethiodide (Flaxedil®) with pentothal sodium nitrous oxide oxygen anaesthesia in abdominal surgery;Foldes;Curr. Res. Anaesth. & Analg.,1954
4. The use of toxiferine for the production of surgical relaxation;Foldes;Aneslhesiology.,1961
5. Experimental and clinical experience with Toxiferine;Frey;Can. Anaesth. Soc. J.,1961