File Sketch of Emetskoe defenses, undated Scale ca. 1:7 200 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Morjegorskaya and defences, April 8, 1919 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Sheet 1 Scale ca. 1:7,200 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps » Morjegorskaya and defences, April 8, 1919
File Sheet 2 Scale ca. 1:7,200 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps » Morjegorskaya and defences, April 8, 1919
File Ust Morje and defences, May 12, 1919 Scale ca. 1:3,600 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Plesso and defences, May 19, 1919 Scale ca. 1:3,600 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Usolia district and defences, May 13, 1919 Scale 1:10,000 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Defence map of Bereznik, undated Scale 1:10,000 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Map of Bereznik and Osinovo defences, undated Scale 1:10,000 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps
File Topsa area, December 18, 1918 Scale ca. 1:21,000 Folder 14 Online In: Frederick C. O'Dell Papers, 1918-1919 » Maps » Defensive Maps