* Oil Painting: This was his most frequent and well-known medium. He was known for his vibrant colors, textured surfaces, and bold brushwork.
* Watercolor: Whiteley was also a skilled watercolorist, utilizing its fluidity and transparency to create delicate and evocative works.
* Drawing: He explored both pencil and charcoal, creating quick sketches as well as more detailed and expressive drawings.
* Sculpture: While less prominent than his paintings, Whiteley also experimented with sculpture, creating works primarily in bronze.
* Printmaking: Whiteley occasionally employed printmaking techniques such as etching and lithography to produce limited-edition prints.
It's worth noting that Whiteley wasn't afraid to experiment and often incorporated multiple mediums within a single artwork. He was known for pushing boundaries and exploring new ways to create art.