Correspondence

Locate every Official and Non-Official Correspondence document scattered throughout the Oldest House in Control Ultimate Edition. Detailed locations provided.

The Oldest House is filled with documents that provide insight into the Federal Bureau of Control's operations and the events unfolding within. These Correspondence items are scattered throughout various sectors and can be found on floors, desks, filing cabinets, and more. Below is a list of all Official and Non-Official Correspondence, along with their locations.

Official Correspondence

1. Agent Death Notification — On the floor in the level 1 room south of the Director's Office.
2. Approved Terminology Reminder — On a filing cabinet in a Security Room after getting out of the lift.
3. Arish: Escaped OoP — On a table in a storage room just past the Janitor's Office.
4. Arish: Security Matters — On a filing cabinet in the Security Booth in the NSC Power Plant.
5. Ash: Request Denied — In a wheelbarrow in the locked room at the base of the elevator shaft in the Warehouse.
6. Cafeteria Concerns — On the floor in the Mold-infested room next to the NSC Energy Converters Entrance Control Point.
7. Carla: File Received — On a filing cabinet near the elevator to the Ritual Office.
8. Casey Inquiry — On the floor in an office near the Sector Elevator in the Investigations Sector.
9. Cauldron Lake Update — Next to the stairs to the Sector Head Office in the entrance area of the Investigations Sector.
10. Darling: Budget Request — On the floor in Dr. Darling's Office.
11. Darling: Underhill Disagreement — On a bench in a lab in Research reachable by Levitate.
12. Dump Cessation of Work Order — By the pneumatic tubes in the control room overlooking the Ordinary Dump.
13. Executive Meeting Minutes — On the floor in an office in Executive Affairs.
14. Field Training Actor Complaint — On a filing cabinet in an office on the way to Field Training, Central Maintenance.
15. Foundation Accident — On the ground in the cave past the geysers in the Cave System.
16. Hubert: Black Rock Analysis — On the counter in the Cafeteria area in Central Research.
17. Marshall: AWE Investigations — On a toilet cistern in the shelter in Executive Affairs.
18. Marshall: Lockdown Distinctions — On a filing cabinet in a Mold-infected office above the Mail Room.
19. Marshall: Trench's Behavior — On a table in the control room above the Atlas Chamber Control Point.
20. Missing Agents — Among the papers on the floor in the entrance to the Investigations Sector.
21. No Smoking Reminder — On the ground in Black Rock Quarry near the exit to the NSC Power Plant.
22. Northmoor: Final Warning — On the desk in the secret lab under the Warehouse.
23. Northmoor: Medical Results — On the floor in the Hidden Location in the elevator building in the Warehouse.
24. Precognitive Powers — Near the pneumatic tubes in Parapsychology.
25. Prohibited Items Reminder — On top of the X-ray machine as you leave the main lobby.
26. R4 Reports Reminder — On a table in an office off the first shifting hallway.
27. Resignation Letter — On a cabinet near the security gate in the entrance to the Investigations Sector.
28. Security Order — On a corner desk in an office off the first shifting hallway.
29. Sensory Tank Purpose — On a console in the control room in the Extrasensory Lab.
30. Tommasi: Willow AWE Outcome — On a filing cabinet in a sorting office on the way to the Mail Room.
31. Travel Costs — On a filing cabinet in an office near the Cafeteria.
32. Trench: Bureau Funding — On the desk of the Director's Office after activating the Hotline.
33. Trench: Dead Letter Approval — On the floor in an office in Dead Letters before cleansing the Control Point.
34. Trench: Official Warning — On a cabinet in the Sector Head Office in the Investigations Sector.
35. Unacceptable Behavior Memo — On the floor in the hidden cave below the Crossroads in the Foundation.
36. Unstable Area Notice — In the ladies' toilet near the Cafeteria.
37. Visitor Evaluations — On a sideboard in an office just off the main lobby.

Non-Official Correspondence

1. Adventure Accepted — On the floor in the shortcut between the Deep Cavern and the Cave System control point.
2. Ahti Postcard — Automatically awarded for completing all three Another Fine Mess... side missions.
3. Book Club: Lopez — On a console behind a level 2 door at the start of the Maintenance Sector.
4. Book Club: Penny — On a filing cabinet in an office in Dead Letters revealed after the Control Point is cleansed.
5. Book Club: Phillip — On the floor in offices on the lower level of Archives.
6. Book Club: Samson — On the floor in the Shelter just past Pneumatics.
7. Chain Letter — By the pneumatic tubes near the AWE Loading Bay control point.
8. Clog Complaint — On an electrical cabinet near Pump 02 in NSC Coolant Pumps.
9. Darling: Dimensional Staffing — On a desk in a control room in Black Rock Quarry reachable only by Levitation.
10. Dinner Reservations — On a filing cabinet in the open plan office in Executive Affairs.
11. Furnace Complaint — On a desk in the control room near the NSC Coolant Pumps Upper Level Control Point.
12. Interrogation Complaint — On a console in the Operations Center.
13. Janitor Complaint — At the security checkpoint as you enter Dimensional Research.
14. Keystone Inspection — By the stairs to the right of the entrance to the Investigations Sector.
15. Mail Tube Complaint — On a piece of machinery on the lower level of the Furnace Chamber in Maintenance.
16. Motel Complaint — In an office in the Shifted Passage close to the AWE Transit Bay control point.
17. Plant Complaint — On a filing cabinet in an office in the Research Sector.
18. Quarry Equipment — On a tock in a side tunnel in Black Rock Quarry.
19. Quarry Worker Incident — On a rock in a dead end in Black Rock Quarry.
20. Relocation Order — On the floor after the first Hiss Sharpened encounter in the Foundation.
21. Sand Memo — Just past the security checkpoint in Dimensional Research.