Russian author Grigoriy F. Krivosheev, in his account "Soviet casualties and combat losses in the twentieth century", lists 665,827 casualties suffered by the Leningrad Front in 1944, 145,102 of them as dead, missing in action, or captured. Estonian historian Mart Laar, deducting the losses in the Leningrad-Novgorod Offensive, Battle for the Narva Bridgehead and the combat in Finland estimates the number of Soviet casualties in the Battle of Tannenberg Line as 35,000 dead or missing and 135,000 wounded or sick. Based on numbers of TsAMO f.217, op.1244, d.643 (Leningrad Front HQ, "Summary reports on losses submitted to the General Staff")losses of Leningrad Front in August 1944: 1,702 killed, 6,538 wounded in action and 196 missing in action. And for September: 2,366 killed, 8,405 wounded in action and 105 missing in action.