W. May

• The little book of British quadrupeds
• The little book of British birds
• The little book of British quadrupeds
• Definitions of Terms and Modes Used at NIST for Value Assignment of Reference Materials for Chemical Measurements
• Gleichartigkeit oder Ungleichartigkeit der direkten Vererbung von Geisteskrankheiten
• Gurdjieff Group Work with Rita Romilly Benson
• Learning Guitar with Hymns of the Church of Jesus Christ of Latter-Day Saints and Other Favorites, Beginning Classical
• Learning Guitar with Hymns of the Church of Jesus Christ of Latter-Day Saints and Other Favorites, Beginning Folk
• Learning Guitar with LDS Hymns
• Shadow of Doubt
• Tensile strength of styrene-butadiene rubber vulcanizates
• The printing of library catalogues