Lists of finite lattices (modular, semimodular, graded and geometric)

Listings of finite lattices in four families, stored in xz-compressed digraph6 format:

Modular vertically indecomposable lattices up to 30 elements
Duals of semimodular vertically indecomposable lattices up to 25 elements
Graded vertically indecomposable lattices up to 20 elements. (For 21 elements see a separate repository.)
Duals of geometric lattices up to 34 elements