LDR    
100    ‡aPeter Kropotkin
100    ‡aN.O. Bonzo
100    ‡aDavid Graeber
100    ‡aAndrej Grubačić
100    ‡aRuth Kinna
100    ‡aAllan Antliff
100    ‡aGATS
245    ‡aMutual Aid: An Illuminated Factor of Evolution‡cPeter Kropotkin, N.O. Bonzo, David Graeber, Andrej Grubačić, Ruth Kinna, Allan Antliff, GATS