The Collected Works of Witness Lee, 1966, volume 1, contains messages and fellowship given by Brother Witness Lee from January through August 1966. For the first three months of the year, Brother Lee remained in Los Angeles, except for a brief visit to San Francisco in late February. From the end of March through the middle of April, he visited Mineral Wells, Waco, Tyler, and Plainview, Texas. From Texas he proceeded to Albuquerque, New Mexico, and then he returned to San Francisco at the end of April. He spent the month of May in Los Angeles. From mid-June to mid-July he visited a number of cities in the Midwest, including Indianapolis, Indiana; Mansfield and Warren, Ohio; East Peoria, Illinois; and Pittsburgh, Pennsylvania. The only record of his visit to these cities consists of four messages given in Warren, Ohio. In the middle of July, Brother Lee returned to Los Angeles and remained there through the end of September. The contents of this volume are divided into twelve sections, as follows: 1. Eight messages given in Los Angeles, California, from January 30 through March 20. These messages are included in this volume under the title Miscellaneous Lord's Day Meetings in Los Angeles. 2. Four messages given in Los Angeles, California, from February 4 through March 18. These messages are included in this volume under the title Messages on Matthew. 3. Four messages given in Los Angeles, California, from February 17 through 20. These messages have been previously published under the title Christ Our Portion. 4. Four messages given in San Francisco, California, on February 22 through 25. These messages are included in this volume under the title The Lord's Recovery of the Church. 5. Five messages given in San Francisco, California, from April 29 through May 1. These messages are included in this volume under the title Enjoying Christ as Our Feast to Be His Fruit-bearing Branches. 6. One message given in Tyler, Texas, on April 10. This message is published in this volume under the title Exercising Our Spirit in Our Daily Life for the Meeting Life. 7. Four messages given in Plainview, Texas, on April 15 through 18. They were previously published in The Stream, volume 4, number 4, November 1966, under the title God's High Calling. 8. Seven messages given in Los Angeles, California, on May 10 through 31. These messages are included in this volume under the title Fellowship on Life, Building, and Fruit-bearing. The last two messages were combined into one chapter. 9. Five messages given in Los Angeles, California, from May 13 through 28. These messages are published in this volume under the title Miscellaneous Messages in Los Angeles. 10. Six messages given in Los Angeles, California, from May 8 through July 17. They are included in this volume under the title Various Lord's Day Meetings in Los Angeles. 11. Four messages given in Warren, Ohio, on June 24 and 25. These messages are included in this section under the title Conference in Warren, Ohio. 12. Eighteen messages given in Los Angeles, California, from July 24 through August 28. These messages have been previously published under the title The Priesthood.

The Collected Works of Witness Lee, 1966, volume 2, contains messages given by Brother Witness Lee primarily in Los Angeles, California, in August 1966. The final section of this volume consists of messages given in Taipei, Taiwan, in October and November 1966. From the middle of July to the end of September, Brother Lee remained in Los Angeles. At the beginning of October he began a six-month visit to the Far East, including Japan, Taiwan, Hong Kong, the Philippines, Indonesia, and Malaysia. The contents of this volume are divided into eight sections, as follows: 1. Six messages given during the summer training in Los Angeles, California, from August 3 through 6. These messages are included in this volume under the title The Exercise of Our Spirit. 2. Five messages given during the summer training in Los Angeles, California, from August 9 through 26. These messages are included in this volume under the title The Way to Enjoy Christ as the Word and the Spirit. 3. Nine messages given during the summer training in Los Angeles, California, from August 13 through 18. These messages are included in this volume under the title Practicing the Oneness according to the Heavenly Vision of the Body of Christ. 4. Seven messages given in Los Angeles, California, from August 23 through 26 and September 6. They are included in this section under the title The Way to Bear Fruit. The first six messages were previously published in The Ministry magazine in volume 3, number 9 through volume 4, number 5. 5. Six messages given in Los Angeles, California, on August 9 through 20. These messages are included in this volume under the title Additional Words in Response to the Testing and Testimonies of the Saints during the 1966 Summer Training in Los Angeles. 6. Fifteen messages given during the summer training in Los Angeles, California, from August 4 through 25. These messages were edited and previously published in a thirteen-chapter book entitled The Divine Spirit with the Human Spirit in the Epistles. 7. One message spoken at the conclusion of the summer conference and training in Los Angeles, California, on August 26. This message is included in this section under the title Enjoying the Riches of Christ to Bear Much Fruit as the Body of Christ, Standing on the Unique Ground of Oneness. 8. Seventeen messages given in Taipei, Taiwan, on October 6 through 12 and November 1 and 11. These messages were translated from Chinese and are included in this volume under the title Being Delivered from Religious Practices by the Exercise of the Spirit.