- People's Global Action1
- Philadelphia Solidarity1
- Pick, Frank, 1878-19411
- Police Against the New World Order1
- Prisoner Solidarity Collective1
- Pritchett, David L.1
- Reinstein, Victor1
- Robertson, J. M.1
- Save America's Forests (Organization)1
- Smith, Emily1
- Society of the People Struggling to be Free1
- Streibel, Barbara1
- Szablowski, Tania1
- TNT1
- Temperate Rainforest Action Coalition (TRAC)1
- Thompson, D'Arcy Wentworth, 1860-19481
- Thomson, J. J. (Joseph John), 1856-19401
- Weiss, Lonnie1
- Western Bands of Shoshoni Indians1
- Wildcat (Organization)1