1. A human embryo with seventeen pairs of somites;Atwell;Contr. Embryol. Carnegie Instn.,1930
2. Neural crest from the forebrain in mammals;Bartelmez;Anat. Rec.,1960
3. The formation of neural crest from the primary optic vesicle in man;Bartelmez;Contr. Embryol. Carnegie Instn.,1954
4. The early development of the human brain;Bartelmez;Contr. Embryol. Carnegie Instn.,1962
5. Development of the human embryo during the period of somite formation, including embryos with 2 to 16 pairs of somites;Bartelmez;Contr. Embryol. Carnegie Instn.,1926