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Showing results for 21 - 40 of 1,521 1900s

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  1. Mountains and canyons in the area near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  2. Mountains and canyons in the area near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  3. Plaza in Mexico

    • Collection: James Howard Collection
    • Date: between 1907 and 1921
    • Format: image
  4. Reseña Mill, Parral mining district, Chihuahua

    • Collection: James Howard Collection
    • Date: circa 1900
    • Topic: Silver mines and mining
    • Format: image
  5. Testimonial regarding marital status of James Howard while in the employ of the International Mining Co. in San Miguel del Mezquital

    • Collection: James Howard Collection
    • Name: Winninghoff, H.; Howard, James, 1868-
    • Date: 1900 May 14
    • Format: text
  6. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  7. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  8. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  9. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  10. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  11. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  12. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  13. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  14. Village near Bolaños, Jalisco

    • Collection: James Howard Collection
    • Date: between 1889 and 1921
    • Format: image
  15. Biology "Immunity II." (Chicago)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  16. Biology 1 (Chicago). Includes draft of "Science is my racket" and "Chemostat"

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  17. Biology 7

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  18. Klamath River Gold Mining Co., Klamath River, Siskiyou County California

    • Name: Klamath River Gold Mining Co; Klamath River Gold Mining Co
    • Date: 1907?
    • Topic: Mining corporations; Gold mines and mining
    • Format: text
  19. Notebook 3

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  20. Patents - Liquid/Liquid extractor

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text