Grammarly
Grammarly Blog: Commas After Introductory Words
This Grammarly Handbook resource explains how to use commas after introductory elements. Numerous examples of commas after introductory phrases, introductory clauses, and introductory transitions are provided in this resource.
SUNY Empire State College
Empire State College: Shaping Information: Ordering Information and Outlining
Discusses finding a logical order for the ideas you wish to present in your essay. Uses samples to show how changing the position of the topic sentence changes the emphasis. Briefly touches on transitions. Then discusses the outline as...