13. Net worth form Collection: Early 20th Century Engineering Lantern Slides Set: Line & Staff Location: unknown Date: undated Format: Image Agent: unknown
14. Length of Negotiations Collection: Early 20th Century Engineering Lantern Slides Set: Line & Staff Location: unknown Date: undated Format: Image Agent: unknown
15. Table comparing the percentage of men and women by age groups Collection: Early 20th Century Engineering Lantern Slides Set: Line & Staff Date: undated Format: Image Agent: unknown
