Annales des Sciences Psychiques: Recueil d'Observations et d'Expériences. Dixième Année, No. 5 (Septembre-Octobre 1900).
Softcover, Paris: Félix Alcan, Éditeur, 1900. Fair with No dust jacket as issued.
Softcover, Paris: Félix Alcan, Éditeur, 1900. Fair with No dust jacket as issued.
Softcover, Paris: Félix Alcan, Éditeur, 1899. Fair with No dust jacket as issued.
Softcover, Nicaragua: UNAN-León, 2008. Very Good with No dust jacket as issued.
Softcover, Managua, Nicaragua: Consejo Nacional de Cultura, 1983. Very Good in Good dust jacket.
Hardcover, Moskva: Izdatelstvo Nauka I Tekhnika, 1983. Good with no dust jacket.
Hardcover, Ypsilanti, Michigan: Bilingual Review Pr, 1981. Good with No dust jacket as issued.
Hardcover, Paris: Librairie Hachette et Cie. 1916. Third Edition. Good with no dust jacket.
Soft Cover, Paris: Henri Floury, Editeur, 1924. Good with no dust jacket.
Hardcover, Madrid: Insula, 1953. Good with no dust jacket.
Softcover, Rio De Janeiro: Editora 34, 1994. First Edition. Good with No dust jacket as issued.
Softcover, São Paulo: EDUC, 1987. Very Good with no dust jacket.
Softcover, São Paulo: EDUC, 1987. Very Good with no dust jacket.
Hard Cover, Manduria: Piero Laciata Editore, 1967. Good with no dust jacket.
Softcover, Madrid: Editorial Gredos, S.A., 1968. Very Good with No dust jacket as issued.
Hardcover, Chapel Hill: Scholarly Book Service, Portland, Or.], 1974. Very Good with no dust jacket.
Softcover, France: Perrin, 2007. Very Good with no dust jacket.
Softcover, Santander, Spain: Universidad Menendez Pelayo, 1995. Very Good with No dust jacket as issued.
Ephemera, Roma: N. P. Fair with no dust jacket.
Hard Cover, Moskva: Sovremennik, 1985. Good with no dust jacket.
Softcover, Paris: Société Géologique de France, 1960-1962. Good with no dust jacket.
Hardcover, Barcelona: Ediciones Destino, 1968. Fifth Edition. Very Good in Very Good dust jacket.
Softcover, Milano: Oscar Mondadori, 1979. Good with no dust jacket.
Softcover, Desterro: Editora Semprelo, 1990. Very Good with no dust jacket.
Hardcover, Oxford: Clarendon Press, 1897. Fourth Edition. Good with no dust jacket.
Hardcover, Montréal: Imprimerie du Messager, 1930. Good with no dust jacket.