Battle of Stalingrad on Soviet records, over 10,000 German soldiers continued to resist in isolated groups within the city for the next month. Some have presumed that they were motivated by a belief that fighting on was better than a slow death in Soviet captivity. Brown University historian Omer Bartov claims they were motivated by National Socialism. He studied 11,237 letters sent by soldiers inside of Stalingrad between 20 December 1942 and 16 January 1943 to their families in Germany. Almost every letter expressed belief in Germany's ultimate victory and their willingness to fight and die at Stalingrad to achieve that victory. Bartov
Bombing of Stalingrad flank of the German advance to the Caucasus oilfields. Fiebig's superior's, "Generaloberst" Wolfram von Richthofen’s "Luftflotte 4" held a 1,600 kilometer eastern frontage in July and concentrated its efforts on Stalingrad, with the air support missions in the Caucasus under Kurt Pflugbeil's "Fliegerkorps IV" and at the Voronezh battle being given a lower priority. Logistics for "Fliegerkorps VIII" received the highest preference, as Richthofen saw the capture of Stalingrad as the key to German success on the entire Eastern Front. Richthofen requested additional Junkers Ju 52 transport groups from "Oberkommando der Luftwaffe" and transferred Pflugbeil's groups, as well as his