* Hymns for the Church: This collection of hymns, published in 1868, became immensely popular and is still used in churches today.
* The Story of the Hymns: This book explores the origins and history of various hymns, providing insights into their meaning and significance.
* The New Century Hymnal: Another collection of hymns edited by Hallock, featuring both traditional and contemporary pieces.
* The Song of the Soul: This collection of poems reflects on themes of faith, spirituality, and the human experience.
* The Christian Year: A devotional work that explores the Christian calendar and its associated themes.
* The Christian Life: This book offers guidance and inspiration for living a Christian life.
In addition to his books, Hallock also edited several religious publications, including The Christian Work and The Christian Advocate. He was a highly respected figure in the religious world and his writings continue to influence and inspire people today.