HBCA Post Records by Number
- B.1–B.15 (Abitibi–Belle Vue Sheep Farm)
- B.16–B.35 (Berens River–Chickney)
- B.36–B.50 (Chicoutimi–Dalles)
- B.51–B.60 (Fort Dauphin–Edmonton)
- B.61–B.70 (Egg Lake, Churchill River–Flying Post)
- B.71–B.88 (Fly Lake–Hulse House)
- B.89–B.104 (Île-à-la-Crosse–Lac La Biche)
- B.105–B.120 (Lac La Pluie–Fort McLoughlin)
- B.121–B.133 (Manchester House–Mistassini)
- B.134–B.135 (Montréal–Moose Factory)
- B.136–B.152 (Muskwaro–Fort Norman)
- B.153–B.162 (North West River–Pic)
- B.163–B.170 (Pike Lake–Québec)
- B.171–B.181 (Quesnel–Fort Resolution)
- B.182–B.197 (Fort Richmond–Setting River)
- B.198–B.213 (Severn–Swan River)
- B.214–B.225 (Tadoussac–Fort Vermilion, Saskatchewan River)
- B.226 (Fort Victoria)
- B.227–B.238 (Waswanipi–Yale)
- B.239 (York Factory)
- B.240–B.258 (Fort Yukon–Canoe Lake)
- B.259–B.276 (Cartwright–Duck Lake, Saskatchewan)
- B.277–B.295 (Eagle Lake–Keewatin)
- B.296–B.310 (Lac du Brochet–Massett)
- B.311–B.326 (Matachewan–Pincher Creek)
- B.327–B.347 (Pine Creek–Shoal River)
- B.348–B.370 (Fort Smith–Fort Wrigley)
- B.371–B.395 (Beaver Lake Portage–Bucke)
- B.396–B.420 (Cambridge Bay–Hopedale)
- B.421–B.444 (Hudson–Island Falls)
- B.445–B.469 (Nonala–Pukatawagan)
- B.470–B.502 (Read Island–Lethbridge)