13. Faces of mathematical prodigies Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
14. Two illustrations showing nasolabial fold Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: Bohnen, Carl A., 1872-1951
15. Two drawings upper lip and corner of mouth Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
16. Eight photographs of man's face with different expressions. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
17. Drawings of two boys by Carl Bohnen. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
18. Drawing of one face with labels on chin, jaw, and cheek. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
19. Six drawings of a man's nose and face. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
20. Drawings of nine heads connecting different shapes to various personalities. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
21. Drawings of the faces of two men - the salesman type and the executive type, with comments on facial features. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
22. Drawings of the faces of two men - financial type and professional type, with comments on facial features. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
23. Diagram of the cerebrum part of the brain and its functions Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: 1899 Format: Image Agent: unknown
24. Multiple close-up drawings of a man's nose, by Merton's method of vocational analysis Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: 1899 Format: Image Agent: unknown
