1. Die Gliedmaßen der Arthropoden;Borner;Lang's Handbuch der Morphologie der wirbellosen Tiere,1921
2. The prostheca or mandibular appendage;Blackwelder;Pan. Pacific. Ent.,1934
3. Mouth-parts of some beetle larvae (Dascillidae and Scarabaeidae) with especial reference to the maxillulae and Hypopharynx;Carpenter;Quart. Journ. Micr. Sci.,1912
4. Ultrastructure du labre des larves du Speophyes lucidulus (Delarouzeei), colêoptêre cavernicole de la sous-famille de Bathysciinae (Coleoptera, Catopidae);Corbière-Tichané;Z. Morph. Tiere,1970
5. Phylogenetic origin of the mandibles of insects and their arthropodan relatives;Crampton;Journ. N. Y. Ent. Soc.,1921