[[1] Public Record Ofice, Kew Gardens, KV 3/101, A MI5 Report from 9.11.1945.]Search in Google Scholar
[[2] Hoettl Wilhelm vol 3-0061.pdf.]Search in Google Scholar
[[3] https://www.cia.gov/library/readingroom/docs/ARMY%20CIC%20NETS%20IN%20EASTERN%20EUROPE_0002.pdf accessed 12th April 2017]Search in Google Scholar
[[4] Army CIC NETS IN EASTERN EUROPE_0002pdf.specialCollection/nwcda8/192/ARMY CIC NETS IN EASTERN EUROPE/ARMYCIC NETS IN EASTERN EUROPE_0002.pdf accessed 12th April 2017]Search in Google Scholar