Thesis

• Tips and Examples for Writing Thesis Statements. Purdue University. Purdue Online Writing Lab
  
• How to Write a Thesis Statement: Three Steps & Examples. Scribbr
  
• Developing a Thesis. Harvard University. Writing Center
  

Paragraphs

• Writing paragraphs. University of Ottawa. The Writing Centre
• University of Toronto. Writing Advice - includes planning, researching, using sources, revising, types of writing, and grammar
• Paragraphs, Flow and Connectivity. University of Sheffield
  
• How to Write Academic Paragraphs: A step-by-step guide. Scribbr

Essays

• Guidelines for Writing an Essay. Hamilton University. Writing Resources- includes structure; grammar; writing for different topics (example: poetry, philosophy, the sciences, etc.)
  
• The Basics of Essay Writing. UNSW Sydney
• The Beginner's Guide to Writing an Essay: Steps & Examples. Scribbr
• Academic Essay Writing: Some Guidelines. Carleton University. Department of Economics
• How to Write an Academic Essay. EssayPro.com - explains the differences between the various types of essays (example: persuasive, narrative, etc.)