Herbert F. Schwarz

• Additional North American bees of the genus Anthidium
• Alphonsus, Emperor of Germany
• Alphonsus, Emperor of Germany, reprinted in facsimile from the edition of 1654
• North American bees of the genus Anthidium
• North American bees of the genus Heteranthidium
• North American Dianthidium, Anthidiellum, and Paranthidium
• Notes on some anthidiine bees of Montana and California