鴿子攝影
註腳

↑  Hildebrandt, Alfred, , München: Oldenbourg: 395–397, 1907 （德语） .
1 2  Professional Aerial Photographers Association, , , 2007  [2012-11-23], （原始内容存档于2011-01-11）.
↑  Hildebrandt, Alfred, , München: Oldenbourg: 384–386, 1907 （德语）.
↑  Mattison, David, , Hannavy, John  (编), : 12–15, 2008, ISBN 978-0-415-97235-2.
↑  Dagron, Prudent René Patrice, , Paris: Lahure: 21, 1870  [2012-11-23], （原始内容存档于2014-05-10）.
↑  Hildebrandt, Alfred, , München: Oldenbourg: 406, 1907 （德语）.
1 2  Neubronner, Julius, , Wachsmuth, Richard  (编), , Berlin: Julius Springer: 77–96, 1910 （德语）.
1 2 3  Neubronner, Julius, , Die Umschau, 1908, 12 (41): 814–818.
1 2  Gradenwitz, Alfred, , Technical World Magazine, 1908, 10: 485–487  [2012-11-23], （原始内容存档于2020-06-25）.
↑  Feldhaus, F.M., , , Leipzig: Brandstetter: 544–553, 1910 （德语）.
1 2 3 4 5 6 7 8 9  Neubronner, Julius, , Frankfurt am Main: Gebrüder Knauer: 23–31, 1920, OCLC 3113299 （德语）.
↑  German patent DE 204721 ("Verfahren und Vorrichtung zum Photographieren von Geländeabschnitten aus der Vogelperspektive" （页面存档备份，存于）), Neubronner, Julius, issued 1908-12-02, filed 1907-06-20. Neubronner also obtained corresponding patents in France ("Procédé et appareil pour prendre des vues photographiques de paysages de haut en bas" （页面存档备份，存于）), the United Kingdom ("Method of and Means for Taking Photographs of Landscapes from Above" （页面存档备份，存于）) and Austria ("Vorrichtung zum Photographieren von Geländeabschnitten aus der Vogelperspektive" （页面存档备份，存于）).
↑  , Le Matin, 1909-06-12  [2012-11-23], （原始内容存档于2011-07-08） （法语）.
1 2 3  Brons, Franziska, , Bredekamp, Horst; Bruhn, Matthias; Werner, Gabriele  (编), , Akademie Verlag: 58–63, 2006, ISBN 978-3-05-004286-2 （德语）.
1 2  Wittenburg, Jan-Peter, , Photo deal, 2007, 4 (59): 16–22 （德语）.
↑  Brons, Franziska, , Fotogeschichte, 2006, 26 (100): 17–36 （德语）.
1 2 3 4 5 6 7 8  ,  (PDF), Vevey: Musée suisse de l'appareil photographique: 4–11, 2007  [2012-11-23], （原始内容 (PDF)存档于2011-01-16） （法语）.
↑  Deutsches Museum München, , , 2007  [2012-11-23], （原始内容存档于2011-01-11） （德语）.
↑  Deutsches Technikmuseum Berlin,  (PDF) (2): 4–13, 2007  [2012-11-23], （原始内容存档 (PDF)于2012-03-01） （德语）.
↑  État-Major Des Armées, France, ,  30: 481–490, 1886  [2012-11-23], （原始内容存档于2020-06-28） （法语）.
↑  Reynaud, G., , Revue des deux mondes, 1898: 380–402  [2012-11-23], （原始内容存档于2020-06-24） （法语）.
↑  Corporation, Bonnier, , Popular Science Monthly, 1916, 88 (1): 30–31.
↑  Lui, Claire, , , 2006  [2012-11-23], （原始内容存档于2011-03-24）.
↑  Magazines, Hearst, , Popular Mechanics, February 1932, 57 (2): 216  [2012-11-23], ISSN 0032-4558, （原始内容存档于2020-06-23） 

, The Canberra Times, 1932-04-13: 2.
↑  , Lectures pour tous, February 1932: 55  [2012-11-23], （原始内容存档于2014-05-22） （法语）.
↑  Magazines, Hearst, , Popular Mechanics, September 1942: 33.
↑  , Flight: the Aircraft and Engineer, Official Organ of the Royal Aero Club, 1943-10-21: 455–457  [2012-11-23], （原始内容存档于2013-11-01）.
↑  Schnug, Ernst, , Figuren-Magazin, 1988, (1): 17–19 （德语）.
1 2  Christie's auctions:
Pigeon camera model A no. 948 （页面存档备份，存于）. Sale 9509, Lot 500. South Kensington, 2002-11-19.
Pigeon camera Model B no. 937 （页面存档备份，存于）. Sale 9965, Lot 266. South Kensington, 2004-11-16.
Pigeon camera Model A no. 803 （页面存档备份，存于）. Sale 5144, Lot 378. South Kensington, 2007-06-06.
↑  Swiss patent CH 192864 ("Photographieapparat mit schwenkbarem, mit selbsttätiger Auslösung versehenem Objektiv, insbesondere für Brieftauben"[]), published 1937-12-01, issued 1937-09-15, filed 1936-02-03. Michel also obtained corresponding patents in Germany ("Panoramakamera mit schwenkbarem Objektiv, insbesondere für Brieftauben"[]), France ("Appareil photographique à déclenchement automatique, particulièrement pour pigeons-messagers"[]), Belgium ("Appareil photographique à déclenchement automatique, particulièrement pour pigeons-messagers"[]) and the United Kingdom ("Improvements in or relating to Panoramic-cameras"[]).
1 2  Häfliger, Rolf, , Photographica Cabinett, 2008, (45): 34–43 （德语）.
↑  Swiss patents CH 214355 ("Traggerät für Brieftauben"[]) and CH 214356 ("Depeschenhülse für Brieftaube"[]), Michel, Christian Adrian, published 1941-07-16, issued 1941-04-30, filed 1940-06-22.
↑  Berger, Olivier,  (PDF): 4, 2008  [2012-11-23], （原始内容 (PDF)存档于2011-01-11） （法语）.
↑  , ,   [2012-11-23], （原始内容存档于2011-01-11）.
↑  Bridis, Ted, , USA Today, 2003-12-26  [2012-11-23], （原始内容存档于2011-03-24）.
↑  Eisler, Peter, , USA Today, 2008-07-14  [2012-11-23], （原始内容存档于2011-03-24）.
↑ Latteier, Amos, , (PDF) , [ 2012-11-23 ] , （原始内容 (PDF) 存档于2011-03-24）. See also:
Bowie, Chas, , Portland Mercury, 2003-01-30  [2012-11-23], （原始内容存档于2011-03-24）.
Gallivan, Joseph, , The Portland Tribune, 2003-01-31  [2012-11-23], （原始内容存档于2011-03-24）.
↑  , Deutsche Kindermedienstiftung Goldener Spatz: 78 （德语）.  缺少或|title=为空 (帮助)
↑  . . 2004-03-05. BBC. BBC one. （原始内容存档于2012-06-26）.
↑  YouTube上的Newpigeonguy頻道, retrieved on 2011-04-09.
↑ Sakamoto, Kentaro Q.; Takahashi, Akinori; Iwata, Takashi; Trathan, Philip N., Earley, Ryan L. , 编, , PLoS ONE, 2009, 4 (10): e7322, PMC 2752807 , PMID 19809497, doi:10.1371/journal.pone.0007322. See also:
de Swaaf, Kurt F., , Spiegel Online International, 2009-08-10  [2012-11-23], （原始内容存档于2011-03-24） .
↑ Petre, Jonathan, , Mail Online, 2008-11-01 [ 2012-11-23 ] , （原始内容存档于2011-03-24）.
Lakeman, Seth, , Mail Online, 2010-07-25  [2012-11-23], （原始内容存档于2011-03-24）.