Đọc thêm Die Glocke

Wikimedia Commons có thêm hình ảnh và phương tiện truyền tải về Die Glocke.

Theo thứ tự:

Văn học

  • Witkowski, Igor (2002). Prawda o Wunderwaffe (bằng tiếng Polish).  Bảo trì CS1: Ngôn ngữ không rõ (link)
  • Witkowski, Igor (2003). The Truth about the Wunderwaffe. Bruce Wenham (trans). Books International Militaria. ISBN 83-88259-16-4. 
  • Stevens, Henry (2003). Hitler's Flying Saucers: A Guide to German Flying Discs of the Second World War. Books International Militaria. 
  • Marrs, Jim (2008). The Rise of the Fourth Reich. William Morrow & Company. ISBN 0-06-124558-5. 

Phim tài liệu

Tác phẩm hư cấu

Tài liệu tham khảo

WikiPedia: Die Glocke http://www.bielek-debunked.com/Henge/The-Henge.pdf http://www.jasoncolavito.com/blog/review-of-in-sea... http://www.liquidhip.com/2010/10/black-order-by-ja... http://channel.nationalgeographic.com/episode/hitl... //tools.wmflabs.org/geohack/geohack.php?language=v... https://www.salon.com/2002/08/05/zero_gravity/ https://www.washingtonpost.com/news/morning-mix/wp... https://vnexpress.net/tin-tuc/the-gioi/tu-lieu/noi... https://web.archive.org/web/20100226104846/http://... https://web.archive.org/web/20110115142418/http://...