Gifford Incarnation Philippians 2:5-11 is a short 100+ page Greek based study of this passage and its importance in the Deity of Christ.
Briggs The Incarnation of the Lord is an older work 1902 of 10 chapters on the Incarnation of the Son of God to Mary.
Miller Bethlehem to Olivet is a brief (24 page) devotional work on the life of Christ from his birth in Bethlehem to Olivet.
Best Christ Emptied Himself
Bonar Horatius Bethlehem And Its Good News “There was nothing great about Bethlehem. It was ‘little among the thousands of Judah’ (Mic 5:2); perhaps but a shepherd-village or small market-town; […]
Mawson Emmanuel some elements of His Glory
In Glover’s work on the Jesus of History, he explores the life of Christ. Note that he has some really interesting topics such as Jesus’ teaching on Sin, and Christ’s use of the Old Testament. Some others are Jesus’ Own God Consciousness, Jesus is to be known by what he does, and Jesus’ personality.