The following list will help you identify books quoted of Ellen White on this site.
1888: Ellen G. White 1888 Materials
AA: Acts of the Apostles, The
AH: Adventist Home, The
AUCR: [Australasian] Union Conference Record
AUGleaner: Atlantic Union Gleaner
1BC: Bible Commentary Vol. 1 (Multiple volumes; 1BC for Vol. 1)
4bSG: Spiritual Gifts, Vol. 4b (Multiple Volumes)
BEcho: Bible Echo
BTS: Bible Training School
CCh: Counsels for the Church
CD: Counsels on Diet and Foods
CG: Child Guidance
CH: Counsels on Health
ChS: Christian Service
COL: Christ Object Lessons
CT: Counsels to Parents, Teachers, and Students
CTr: Christ Triumphant
CTBH: Christian Temperance (EGW) and Bible Hygiene (James White)
DA: Desire of Ages
DG: Daughters of God
Ed: Education
EV: Evangelism
EW: Early Writings
FLB: Faith I Live By, The
GCB: General Conference Bulletin
GW: Gospel Workers
HP: In Heavenly Places
KC: Kress Collection, The
LHU: Lift Him Up
LLM: Loma Linda Messages
MB: Thoughts From the Mount of Blessing
MH: Ministry of Healing, The
ML: My Life Today
MR: Manuscript Releases (Multiple volumes; 2MR for Vol. 2, etc.)
1NL: Notebook Leaflets, Vol. 1 (2NL for Vol. 2)
OFC: Our Father Cares
OHC: Our High Calling
PaM: Pastoral Ministry
PC: Paulson Collection
PH: Pamphlet
PK: Prophets and Kings
PM: Publishing Ministry, The
PP: Patriarchs and Prophets
Pr: Prayer
PUR: Pacific Union Recorder
RH: Review and Herald
1SAT: Sermons and Talks Vol. 1 (2SAT for Vol. 2)
SC: Steps to Christ
SD: Sons and Daughters of God
1SM: Selected Messages Vol. 1 (2SM for Book 2, etc.)
SpM: Spalding and Magan Collection
1SP: Spirit of Prophecy, The Vol. 1 (2SP for Vol. 2, etc.)
SPTA01b: Special Testimonies, Series A (Nos. 1-12)
SpTB05: Special Testimonies, Series B (Nos. 1-19)
SSW: Sabbath-School Worker
ST: Signs of the Times
SW: The Southern Watchman
1T: Testimonies for the Church Vol. 1 (2T for Vol. 2, etc.)
Te: Temperance
TM: Testimonies to Ministers and Gospel Workers
TMK: That I May Know Him
TSB: Testimonies on Sexual Behaviour, Adultery, and Divorce
TSDF: Testimony Studies on Diet and Foods
1TT: Testimony Treasures, Vol. 1 (2TT for Vol. 2, etc.)
UL: Upward Look, The
WB: Workers’ Bulletin, The
YI: Youth's Instructor, The