Garga Samhita

Chap. 13 : The Arrival of Sri Uddhava 
Chap. 14 : The Meeting of King Nanda and Uddhava
Chap. 15 : Seeing Sri Radha
Chap. 16 : Comforting Sri  and the Gopis
Chap. 17 : The Gopis Describe their Remembrance of Sri Krsna
Chap. 18 : Uddhava hears the Gopis Words and Returns to Mathura

Also

https://www.google.com/search?q=7th+Canto+of+Garga+Samhita

https://harekrishnainfo.blogspot.com/search/label/Garga