INTERNATIONAL Encyclopedia of the social sciences, volume 19:

8 1 10 INTERNATIONAL Encyclopedia of the social sciences, volume 19: SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1991 INTERNATIONAL Encyclopedia of the social sciences, volume 18: SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1979 INTERNATIONAL Encyclopedia of the social sciences, volume 5 dan 6: SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1968 INTERNATIONAL Encyclopedia of the social sciences, volume 3 dan 4 SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1968 INTERNATIONAL Encyclopedia of the social sciences, volume 7 dan 8 SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1968 INTERNATIONAL Encyclopedia of the social sciences, volume 1 dan 2 SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1968 INTERNATIONAL Encyclopedia of the social sciences, volume 9 dan 10: SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1968 INTERNATIONAL Encyclopedia of the social sciences, volume 11 dan 12: SILLS, David L [ed.] Additional Author mixed material New York Macmillan 1968