To remind myself when I’m at work but am also looking on eBay, these are the Traveller supplements that I have:
Book 1
Book 2
Book 3
Book 5 – High Guard (x2)
Book 6 – Scouts
Supplement 1 – 1001 Characters
Supplement 2 – Animal Encounters
Supplement 3 – The Spinward Marches
Supplement 7 – Traders and Gunboats (x2)
Supplement 8 – Library Data (A-M)
Supplement 9 – Library Data (N-Z)
Adventure 1 – The Kinunir
Adventure 3 – Twilight’s Peak
Adventure 4 – Leviathan
Adventure 6 – Expedition to Zhodane
Adventure 7 – Broadsword
Adventure 8 – Prison Planet
Adventure 9 – Nomads of the World Ocean
Adventure 11 – Murder on Arcturus Station
Double Adventure 1 – Shadows/Annic Nova
Double Adventure 2 – Mission On Mithril/Across the Bright Face
Double Adventure 3 – Death Station/The Argon Gambit
Double Adevnture 4 – Marooned/Marooned Alone
Double Adventure 5 – The Chamax Plague/Horde