Kollock, H. (1803). Christ must increase: A sermon, preached before the General Assembly of the Presbyterian Church in the United States of America ; by appointment of their Standing Committee of Missions, May 23, 1803. Philadelphia: Printed by Jane Aitken.

Kollock, Henry. Christ Must Increase: A Sermon, Preached Before the General Assembly of the Presbyterian Church in the United States of America ; By Appointment of Their Standing Committee of Missions, May 23, 1803. Philadelphia: Printed by Jane Aitken, 1803.

Kollock, Henry. Christ Must Increase: A Sermon, Preached Before the General Assembly of the Presbyterian Church in the United States of America ; By Appointment of Their Standing Committee of Missions, May 23, 1803. Philadelphia: Printed by Jane Aitken, 1803.