Learning languages by the direct method

From here, containing links to books: https://web.archive.org/web/20221204154607/https://vivariumnovum.it/risorse-didattiche/propria-formazione/metodo-diretto-applicato-alle-lingue-moderne

French

• Jensen, A. M. e altri: Le Français par la « méthode nature », The Nature Method Institute, Copenhagen 19582. [Comprensivo d’Initiation à la littérature française. L’archivio va scompattato con un programma come 7-zip].
• Worman, J. H.: First French book, after the natural method, American Book Company, New York 1883.
• Worman, J. H.: Le questionnaire. A supplement to Worman’s First French book, A. S. Barnes & Company, New York 1884.
• Worman, J. H.: Second French book, after the natural or Pestalozzian method, for schools and home instruction, American Book Company, New York 19103.
• Worman, J. H. – De Rougemont, A.: Grammaire française pratique à l’usage des américains, A. S Barnes & Company, New York 1883.
• Worman, J. H.: L’Écho de Paris. The French echo: dialogues to teach French conversation, with an adequate vocabulary, American Book Company, New York 18982.

English:

• Jensen, A. M. e altri: English by the Nature Method, The Nature Method Institute, Copenhagen [1939?]. [Comprensivo di Selected short stories. L’archivio va scompattato con un programma come 7-zip].
• Richards, I. A. – Gibson, C. M.: English through pictures. Books 1–3, Pippin Publishing, Don Mills ON (CA) 20052. [I volumi sono acquistabili anche congiuntamente, presso l’editore. L’edizione italiana (in due volumi), L’inglese per immagini, Garzanti, Milano 1974 e A. Vallardi, Milano 1990, non è più in commercio].

Italian

• Jensen, A. M. e altri: L’italiano secondo il «metodo natura», The Nature Method Centre, Charlottenlund 1962. [Comprensivo d’Introduzione alla letteratura italiana. L’archivio va scompattato con un programma come 7-zip].

Spanish

• Hall, G.: Poco a poco. An elementary direct method for learning Spanish, World Book Company, Yonkers-on-Hudson NY 19214.
• Hall, G.: All Spanish method, first and second books. Método directo para aprender el español, World Book Company, Yonkers-on-Hudson NY 1914.
• Worman, J. H.: New first Spanish book, after the natural or direct method, for schools and self instruction, American Book Company, New York 1916.
• Worman, J. H. – Bransby, C.: Second Spanish book, after the natural or direct method, for schools and self instruction, A. S. Barnes & Company, New York 19184.

German

• Worman, J. H.: Erstes Deutsches Buch, nach der Natürlichen Methode, für Schule und Haus, American Book Company, New York 1880.
• Worman, J. H.: Zweites Deutsches Buch, nach der Natürlichen Methode, für Schule und Haus, American Book Company, New York 1881.
• Worman, J. H.: Deutsches Echo — The German echo: dialogues to teach German conversation, with an adequate vocabulary, American Book Company, New York 18972.