The H.E. Harris Master Worldwide Album's 2021 annual supplement is extensive. Fits 2-post and 3-ring binders from H.E. Harris.
This is a list of nations that are covered by the 2021 Master Supplement:
Algeria
Andorra: French
Andorra: Spanish
Argentina
Australia
Azerbaijan
Belarus
Belgium
Bosnia-Croatia
Bosnia-Herzegovina
Bosnia-Serbia
Bulgaria
Canada
China-People's Republic
China-Taiwan
Cook Islands
Croatia
Czech Republic
Egypt
Estonia
Finland
Finland: Aland Island
France
Germany
Gibraltar
Great Britain
Great Britain-Guernsey
Great Britain-Guernsey-Alderney
Great Britain-Isle of Man
Great Britain-Jersey
Greece
Greenland
Hong Kong
Hungary
Iceland
Ireland
Israel
Kosovo
Kyrgyzstan
Latvia
Lebanon
Macedonia
Mexico
Moldova
Netherlands
New Zealand
Penrhyn Island
Poland
Russia
Slovakia
Switzerland
United States