Finite Intervals in the Lattice of Topologies. - Jürgen Reinhold (Appl. Categorical Struct., 2000)

Frankl's Conjecture Is True for Lower Semimodular Lattices. - Jürgen Reinhold (Graphs Comb., 2000)

The Number of Unlabeled Orders on Fourteen Elements. - Jobst Heitzig; Jürgen Reinhold (Order, 2000)

Embedding Structures. - Marcel Erné; Jürgen Reinhold (Graphs Comb., 2001)

On the Number of Distributive Lattices. - Marcel Erné; Jobst Heitzig; Jürgen Reinhold (Electron. J. Comb., 2002)