Guide to Impressionism at The National Gallery
How to paint like Monet: Lessons on Impressionist landscape
Art and Modernity by Margaret Samu
A beginner’s guide to Impressionism in Khan Academy
Artist Interview: John Carney Hayess, Minor Space
Claude Monet's Madame Monet and Her Son (1875)

Claude Monet’s Madame Monet and Her Son (1875).
Original from the National Gallery of Art. Digitally enhanced by rawpixel.