- Leonardo Da Vincis diagram of the heart
- Leonardo da Vinci's Glider and Parachute Idea
- Leonardo da Vinci
- Leon M Gambetta
- Leodice sanguinea
- Leo
- Lenormand’s parachute, 1784
- Lemon
- Lemming
- Leigh Hunt
- Leigh Hunt
- Leiden, Rhijnland (dated 1612)
- Legoean
- Legend of the Jew of the Rue des Billettes, Paris, piercing the Holy Wafer with his Knife
- Leg of a Horse Compared with that of the Giant Moa
- Left view of 8-cm mortar, model 34
- Left spiracle of nymph of Argas persicus
- Left side of 5-cm mortar
- Left Handed use
- Left hand stigmata of the larvæ of muscoidea
- Left Hand Pointing Coarse detail
- Left Hand Pointing - Fine detail
- Left hand pointing
- Left Hand holding a card
- Left Hand
- Left Foot
- Lee Simonson
- Lee Leaving Appomattox
- Leathern Apron
- Leatherback turtle
- Leather Bottles
- Learning to work
- Leap Year
- Leafy Circular frame
- Leaf-Cutter Bee at Work
- Leaf Divider
- Leaf divider
- Le Stryge
- Le Stryge
- Le Solferino, 1865
- Le Soleil Royal
- Le Pont-Neuf et la Samaritaine
- Le Pont-Neuf et la Samaritaine
- Le Pont-Neuf
- Le Pont-Neuf
- Le Pont-au-Change vers 1784, d’après Nicolle
- Le Pont-au-Change vers 1784, d’après Nicolle
- Le Pont-au-Change
- Le Pont-au-Change
- Le Petit Pont
- Le Petit Pont
- Le Petit Journal, Zodiac type
- Le Ministère de la Marine -fifth state
- Le Ministère de la Marine -fifth state
- Le Ministère de la Marine
- Le Ministère de la Marine
- Le Chat Noir
- Le Bris’ aëroplane, 1855
- Le Bon Dieu
- Le Ballet De La Reine