41. A pure language for all people Format: Documents Collection: University of Massachusetts Amherst Libraries Collection Date: [ca. 1965] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
42. Study... Esperanto, the international language! Format: Documents Collection: University of Massachusetts Amherst Libraries Collection Date: 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
43. Test your language ability Format: Documents Collection: University of Massachusetts Amherst Libraries Collection Date: [ca. 1965] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
44. Tuja Esperanto : La internacia lingvo por la tuta mondo Creator: Esperanto Services Format: Documents Collection: University of Massachusetts Amherst Libraries Collection Date: [ca. 1967] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
45. Wanted: an international language : Will Esperanto do? Format: Documents Collection: University of Massachusetts Amherst Libraries Collection Date: [ca. 1955] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
46. We invite you Format: Documents Collection: University of Massachusetts Amherst Libraries Collection Date: [ca. 1945] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives