Freiwilliger

Young Soldier: Why They Choose to Fight

Rachel Brett, Irma Specht

I Want You!: The Evolution of the All-Volunteer Force

Bernard Rostker

Ukraïnsʹki viĭsʹkovi formuvanni︠a︡ v zbroĭnykh sylakh Nimechchyny: 1939-1945

Andriĭ Boli︠a︡novsʹkyĭ.

The secret army

David J. Bercuson.

Serving America: prospects for the volunteer force

by Richard Halloran.

Warrior 80: Irish Volunteer Soldier 1913-23

Gerry White

Volunteer tourism in the global south: giving back in neoliberal times

Wanda Vrasti

Francuzskij legion na službe Gitleru: 1941 - 1944 gg

O. I. Bėjda

Volunteer tourism

edited by Angela M. Benson

Islamischer Staat: IS-Miliz, al-Qaida und die deutschen Brigaden

Behnam T. Said