Proudhon e a cultura portuguesa ; textos de Amorim Viana [et al.] 1852-1965
Publisher: Editorial Cultura Portugal
Published: 1965
Place of publication: [s.l.]
Language: por
Notes: "Petrus" both at head of title and as signature to compiler's pref.

Vol. 1 has imprint date "1961-1965;" v. 5 has "1967-1968."