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21
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22by Bölcke, Oswald, 1891-1916Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1933
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23by Kiernan, R. H. (Reginald Hugh), 1899-1983Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1934
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24
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25by Grinnell-Milne, Duncan WilliamSubjects: “...World War, 1914-1918 Aerial operations....”
Published 1933
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26by Longstreet, Stephen, 1907-2002Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1970
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27
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28
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29
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30Published 1961Subjects: “...World War, 1914-1918 Aerial operations....”
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31by Ulanoff, Stanley M.Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1971
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32by Longstreet, Stephen, 1907-2002Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1971
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33by Longstreet, Stephen, 1907-2002Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1995
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34by Reynolds, Quentin James, 1902-1965Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1963
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35by McKee, Alexander, 1918-1992Subjects: “...World War, 1914-1918 Aerial operations....”
Published 1962
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36Published 1917Subjects: “...World War, 1914-1918 Aerial operations....”
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37
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38
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39by Rawlinson, A. (Alfred), 1867-1934Subjects: “...World War, 1914-1918 Aerial operations, German....”
Published 1923
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40by Richthofen, Manfred, Freiherr von, 1892-1918Subjects: “...World War, 1914-1918 Aerial operations, German....”
Published 1980
Book