41. Readings in rural sociology Creator: Phelan, John, 1879- Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1920 Format: Book
42. Weeds of farm land Creator: Brenchley, Winifred Elsie, 1883- Collection: Core Historical Literature of Agriculture Publisher: Longmans, Green and co., Publication Place: London : Date: 1920 Format: Book
43. The Polish peasant in Europe and America: monograph of an immigrant group: Volume II. Primary-Group Organization Creator: Thomas, William Isaac, 1863-1947. Collection: Core Historical Literature of Agriculture Publisher: Richard G. Badger, The Gorham Press. Publication Place: Boston : Date: 1920 Format: Book
44. The Polish peasant in Europe and America: monograph of an immigrant group: Volume III. Life-Record of an Immigrant Creator: Thomas, William Isaac, 1863-1947. Collection: Core Historical Literature of Agriculture Publisher: Richard G. Badger, The Gorham Press. Publication Place: Boston : Date: 1920 Format: Book
45. The Polish peasant in Europe and America: monograph of an immigrant group: Volume IV. Disorganization and Reorganization in Poland Creator: Thomas, William Isaac, 1863-1947. Collection: Core Historical Literature of Agriculture Publisher: Richard G. Badger, The Gorham Press. Publication Place: Boston : Date: 1920 Format: Book
46. The Polish peasant in Europe and America: monograph of an immigrant group: Volume V. Organization and Disorganization in America Creator: Thomas, William Isaac, 1863-1947. Collection: Core Historical Literature of Agriculture Publisher: Richard G. Badger, The Gorham Press. Publication Place: Boston : Date: 1920 Format: Book
47. The Polish peasant in Europe and America: monograph of an immigrant group: Volume I. Primary-Group Organization Creator: Thomas, William Isaac, 1863-1947. Collection: Core Historical Literature of Agriculture Publisher: Richard G. Badger, The Gorham Press. Publication Place: Boston : Date: 1920 Format: Book
48. The early embryology of the chick Creator: Patten, Bradley M. 1889-1971. Collection: Core Historical Literature of Agriculture Publisher: P. Blakiston's Son & Co., Publication Place: Philadelphia : Date: 1920 Format: Book