Detail
Type Hr. - Ley is a Häuser (Houses).
Kr Schwelm - The Kreis for Ley is Schwelm. A Kreis is a government district (similar to a U.S. county).
See Hasslinghausen B. Dortmund - A See notation means the entry is dependent on another entry. In this case, Ley is dependent on Hasslinghausen B. Dortmund, which should be consulted for additional information.