1. Studies on the vertebrate head.-Pt. 11;De Beer;Quart. Jozcr. Micr. Sci.,1926
2. Skull of Leptodeira;Brock;Quart. Jozsr. Micr. Sci.,1929
3. Skull of Leptotyphlope (Glauconia);De Beer;Anat. Anz.,1932a
4. Temporal bones in lizards, birds and mammals;De Beer;Anat. Anz.,1935