Source: Random Acts of Kindness – Family Tree Encyclopedia
The following abbreviations are those most commonly used in genealogical records. It is not unusual to find, within the pages of one record, different variations used, but care should be taken to ensure that in these instances, it is a variation and not meant to indicate something else.

Source: FamilySearch & The Church of Jesus Christ of Latter-day Saints.
Written by Tyler S. Stahle.
This the third of a three-part series exploring how to use the Genealogical Proof Standard in your family history research. Read Part 1: Understanding the Genealogical Proof Standard; and Part 2: Understand How to Successfully Apply the Genealogical Proof
Standard.

Source: Random Acts of Kindness – Family Tree Encyclopedia 
This link will provide you with a list of some of the most commonly seen symbols on gravestones and memorials, along with their common interpretations. Learn the meanings of the various carvings, symbols, icons and other funerary art found on gravestones, tombstones and headstones.