Online Writing Lab at Purdue University
Purdue University Owl: On Paragraphs
A comprehensive approach to writing coherent paragraphs and knowing how to transition between paragraphs.
Other
Noodle Tools: Basic Language Literacy: Writing: Paragraph Art
When you create a coherent paragraph, it can be represented by any number of visual images. This page shows examples of how that might work to help writers understand the idea of coherence.