Encyclopaedia of the social sciences - Encyclopedia... (The MacMillan Company, 1957)
Oen, Jil.1=c.1-2; Jil.3=c.1-2; Jil.5=c.1-2; Jil.7=c.1-2; Jil.9=c.1-3; Jil11=c.1-2; Jil.13=c.1; Jil. 15=c.1-3/stoc6, jl.1,3,5,7 [vol.1-8]=c.1-2; jl.9 [vol.9-10]=c.1-3; jl.11-13 [vol.11-14]=c.1-2; jl.15 [vol.15 & index]=c.1-3