Dosya 8 A, Gömlek 91, November 05, 1850 (Gregorian calendar) - 29 Zilhicce 1266 (Ottoman calendar)
Dosya 9, Gömlek 16, June 29, 1851 (Gregorian calendar) - 29 Şaban 1267 (Ottoman calendar)
Dosya 9, Gömlek 44, February 02, 1852 (Gregorian calendar) - 10 Rebinlahir 1268 (Ottoman calendar)
Contracts and Agreements between the State and the companies
Contracts and Agreements between the State and the companies
Dosya 10, Gömlek 35, August 21, 1872 (Gregorian calendar) - 16 Cemaziyelahir 1289 (Ottoman calendar)
Dosya 10, Gömlek 36, August 21, 1872 (Gregorian calendar) - 16 Cemaziyelahir 1289 (Ottoman calendar)
Dosya 16, Gömlek 6, September 14, 1878 (Gregorian calendar) - 17 Ramazan 1295 (Ottoman calendar)
Dosya 16, Gömlek 7, October 10, 1878 (Gregorian calendar) - 13 Şevval 1295 (Ottoman calendar)
Dosya 20, Gömlek 38, November 22, 1881 (Gregorian calendar) - 30 Zilhicce 1298 (Ottoman calendar)
Dosya 30, Gömlek 13, October 23, 1888 (Gregorian calendar) - 17 Safer 1306 (Ottoman calendar)
