Autores
Alighieri, Dante
3
Buber, Martín
3
Imaz, Eugenio
3
Daniken, Erich von
2
Ayala, Carlos
1
Capra, Fritjof
1
Carner, José
1
Carrel, Alexis
1
Eadie, Betty J. (introd.)
1
García Ripoll, María José
1
González-Wipler, Migene
1
Graves, Robert (intr.)
1
Grun, Anselm; Steindl-Rast, David
1
Huxley, Aldous
1
Kriukov, B. (il.)
1
Lanza Del Vasto, Giuseppe
1
Lawlor, Robert
1
Mazzini, Giuseppe (pról.)
1
Morse, Melvin; Perry, Paul
1
Pichon, Jean-Charles
1
Sakti Ishaya, Maharishi; Ishaya, Bhushana; Ishaya, Durga
1
Shah, Idries
1
Tolstoi, León
1
Trigueirinho
1
Valente, José Angel ; Molinos, Miguel de
1
Weiss, Brian
1
Zermoglio, Diana
1