Seasonal Resources Service planning: Lent By Harry Boonstra , Martha B. Tibbe Harry Boonstra (email@example.com) is former theological editor of RW and emeritus theological librarian of Calvin College and Calvin Theological Seminary, Grand Rapids, Michigan. Martha Tibbe has served for many years as organist for Dykstra Funeral Homes in Holland, Michigan. She also plays occasionally at Harderwyk Christian Reformed Church in Holland. Reformed Worship 2 © December 1986 Worship Ministries of the Christian Reformed Church. Used by permission.