Books

  1. Exotic Birds
    Exotic Birds
  2. Bird is Born (Sterling Nature Series)
    Bird is Born (Sterling Nature Series)
  3. Bird-life of the Borders (Northern Classics)
    Bird-life of the Borders (Northern Classics)
  4. Rails of the World
    Rails of the World
  5. Massive Stars: Their Lives in the Interstellar Medium (Astronomical Society of the Pacific Conference Series, V. 35)
    Massive Stars: Their Lives in the Interstellar Medium (Astronomical Society of the Pacific Conference Series, V. 35)

Books