This website has a lot of information about what contour line drawing is and how to create it. It provides an example of a contour line drawing of a familiar object (shoes). This image includes no shading, which is important to keep in mind when creating a contour line drawing. 4- M.Z. & B.K.
This website contains a cross-contour line drawing lesson plan. It includes a description, the art standards, materials, the objectives, some guided practice, a review, the estimated duration, and video resources.