Hatpins

Hatpin Menace: American Women Armed and Fashionable, 1887-1920

Kerry Segrave

Hatpins and Hatpin Holders Encyclopedia

Lillian Baker

Hatpins & hatpin holders: an illustrated value guide

by Lillian Baker ; color photography by David Hammell.

The collector's encyclopedia of hatpins and hatpin holders

by Lillian Baker.

Enseignes

Yvonne Hackenbroch.

Baker's encyclopedia of hatpins and hatpin holders

Lillian Baker.

Encyclopedia of hatpins and hatpin holders: price guide

by Lillian Baker.

Hat pins and tie pins

by Alexandra M. Rhodes.

Pins for hats and cravats worn by ladies and gentlemen

by Florence E. Meyer.

Hat pins

Eve Eckstein and June Firkins.