79 selected
- Not filled in
- Magicians
- Magnifiers
- Mail delivery
- Mailboats
- Mailcoaches
- Malaria
- Mammals
- Maps
- Marathon
- Marian Year
- Marianne
- Marine animals
- Marionettes
- Markets
- Marmots
- Marriage
- Marshals
- Martens
- Masks
- Mathematicians
- Mathematics
- Measuring instuments
- Medallions
- Medals
- Medals and Badges of Honour
- Medicinal plants
- Medicine
- Medicines
- Meetings
- Menhirs
- Merchant shipping
- Mermaids
- Meteorology
- Mice
- Microscopes
- Middle age
- Millennium
- Mills
- Mineralogists
- Minerals
- Mines
- Miniatures
- Mining
- Ministers
- Minks
- Mirrors
- Missiles
- Mission
- Missionaries
- Modern pentathlon
- Moles
- Molluscs
- Monarchs/Royalty
- Monastries
- Money boxes
- Monkeys
- Monks
- Monuments
- Moon
- Moon landing
- Mooses
- Mopeds
- Mosaic
- Mosques
- Motor sport
- Motorboats
- Motorcycles
- Mouflons
- Mountain biking
- Mountainering
- Mountains
- Movies (Cinema)
- Museums
- Mushrooms
- Music
- Music instruments
- Musicians
- Myths, sagas and legends