This book is from the personal library of a retired professional genealogist.
Complete title - Key to the Parochial Registers of Scotland from earliest times through 1854.
Based upon the Detailed List of the Old Parochial Registers of Scotland published in 1872, this book presents an easier format for researchers. The former had a limited availability.
Parishes are listed by county, describing if held by LDS and the location of the original records.