- TR-BOA/HH-THR - Correspondence Office of Imperial Treasury of the Ottoman Empire
- TR-BOA/HH-THR/Series1 - Section 1, Dosya 24 to 474, and dosya 1634
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- TR-BOA/HH-THR/257-90 - Dosya 257, Gömlek 90, October 4, 1890 (Gregorian calendar) - 19 Safer 1308 (Ottoman calendar)
- TR-BOA/HH-THR/257-91 - Dosya 257, Gömlek 91, October 4, 1890 (Gregorian calendar) - 19 Safer 1308 (Ottoman calendar)
- TR-BOA/HH-THR/312-6 - Dosya 312, Gömlek 6, February 15, 1908 (Gregorian calendar) - 12 Muharrem 1326 (Ottoman calendar)
- TR-BOA/HH-THR/312-7 - Dosya 312, Gömlek 7, February 15, 1908 (Gregorian calendar) - 12 Muharrem 1326 (Ottoman calendar)
- TR-BOA/HH-THR/325-11 - Dosya 325, Gömlek 11, June 30, 1909 (Gregorian calendar) - 11 Cemaziyelahi 1327 (Ottoman calendar)
- TR-BOA/HH-THR/325-12 - Dosya 325, Gömlek 12, June 30, 1909 (Gregorian calendar) - 11 Cemaziyelahi 1327 (Ottoman calendar)
- TR-BOA/HH-THR/325-13 - Dosya 325, Gömlek 13, June 30, 1909 (Gregorian calendar) - 11 Cemaziyelahi 1327 (Ottoman calendar)
- TR-BOA/HH-THR/325-14 - Dosya 325, Gömlek 14, June 30, 1909 (Gregorian calendar) - 11 Cemaziyelahi 1327 (Ottoman calendar)
- TR-BOA/HH-THR/325-15 - Dosya 325, Gömlek 15, June 30, 1909 (Gregorian calendar) - 11 Cemaziyelahi 1327 (Ottoman calendar)
- 20 more...
