These two are the same pose with the same model. Both images are 30"x22" on paper using acrylic, chalk pastel, and conté. The bottom image is one session of work. The top image is two sessions. Chronologically, the bottom image came before the top.

These 4 are on 36"x24" newsprint paper. The top one is ink and acrylic. The other are charcoal, acrylic, and sometimes chalk(pastel).

36"x24" on newsprint paper. Acrylic, ink, and chalk. Top image is acrylic and charcoal.

30"x22". Acrylic, conté, a little chalk pastel. On paper.

Acrylic, chalk, and ink on 30"x22" paper. The paper has a shellac and pumice mixture as a ground causing the yellowish look.

This drawing has at least two, maybe three layers of figures. You can see the ghost image of one as the ink slightly bled through a layer of paint. The top layer is acrylic and blue ink with white conté redefining the shape of the legs and feet. The size is 30 x 22 inches, on paper.

Here's another of a man sitting. This time I had the chance to draw the chair. Acrylic, conté, pastel on 30 x 22 inch paper.

Guy sitting on a stool. 30 x 22 inches. Acrylic and conté on paper.

Same as the five below. Both alla prima, oil on 24 x 20 inch panel.

Each of these five portraits is from a three hour session. All are oil on a 24 x 20 inch panel.

Also 30 x 22 inches. Chalk pastel and acrylic on paper. You can see the staples around the edges of the paper used to hold it onto my drawing board.

All these are using chalk, acrylic, conté, on 22 x 30 inches paper.

Both these are 30 x 22 inches on paper. Acrylic, pastel, conté, ink. I think there's no ink in the bottom image, or perhaps it's colored ink.
After the first session the model had injured her shoulder making undressing too difficult. So, for the next two sessions she was in the same pose, just clothed. The top image is the result.

30 x 22 inches on paper. Acrylic, conté, chalk pastel, ink.

22 x 30 inches. Acrylic, chalk pastel, conté. On paper. Perhaps it's Rives BFK paper, but not quite sure at the moment. Like all the work here, this piece is drawn from a life model.

24 x 20 inches. Oil on canvas.

30 x 22 inches, Aquarelle paper. Acrylic, chalk pastel, conté.

24 x 20 inches. Oil on canvas.

22 x 30 inches, Aquarelle paper. Acrylic, chalk pastel, conté.

30 x 22 inches, Aquarelle paper. Acrylic, chalk pastel, conté.

24 x 20 inches. Oil on canvas.

22 x 30 inch Rives BFK paper. Acrylic washes, chalk pastel, conté.

36 x 24 inches newsprint paper. Charcoal, chalk, and some water-based paint.