The following links will take you to a variety of Genealogy and Ancestry research tools that may help you in your research.  

A Genealogist’s Guide to Old Latin Terms & Abbreviations – GenealogyBank
http://blog.genealogybank.com/a-genealogists-guide-to-old-latin-terms-abbreviations.html

A Glossary of Medical terms Used in the 18th and 19th Centuries
https://www.thornber.net/medicine/html/medgloss.html

Abbreviations & Acronyms for Genealogy – The Accepted
http://www.geni.com/projects/Abbreviations-Acronyms-for-Genealogy-The-Accepted/3096

List of Occupation Abbreviations – GenealogyInTime Magazine
http://www.genealogyintime.com/dictionaries/list-of-occupation-abbreviations-page-a.html

Spelling Substitution Tables for the United States and Canada – FamilySearch
https://www.familysearch.org/wiki/en/Spelling_Substitution_Tables_for_the_United_States_and_Canada

Street Name Changes
http://stevemorse.org/census/changes.html

How to Use the Snipping Tool in Windows to Take Screenshots
http://www.howtogeek.com/207754/how-to-use-the-snipping-tool-in-windows-to-take-screenshots/

Names of Old Time Illnesses
http://freepages.genealogy.rootsweb.ancestry.com/~lynda77/illness1.htm

Dictionary of Old Occupations
http://www.familyresearcher.co.uk/glossary/Dictionary-of-Old-Occupations-Index.html

 Colonial American Handwriting
https://www.reed.edu/indianconverts/studyguides/colonial_american_handwriting/cultural_significance.html