The story behind the song 150 songs that chronicle the 20th century by Barnet, Richard D. 1949-

Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click here to access

Encyclopedia of military technology and innovation by Bull, Stephen

Encyclopedia of modern worldwide extremists and extremist groups by Atkins, Stephen E.

Dictionary of literary influences the twentieth century, 1914-2000

Filmography of social issues a reference guide by Mitchell, Charles P. 1949-

Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click here to access

Encyclopedia of modern Greek literature by Merry, Bruce

Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click her to access

Culture and customs of South Africa by Afolayan, Funso S.

Culture and customs of Thailand by Kislenko, Arne

Culture and customs of Israel by Torstrick, Rebecca L.

Culture and customs of Germany by Bernstein, Eckhard