Below is a list of Library of Congress call numbers for Fine Arts. All books in this class begin with the letter N. They are located on the fourth floor, with the exception of reference books. The reference collection is on the second floor, behind the reference desk.
The Library of Congress Classification Outline provides a more detailed list of Fine Arts call numbers.
Does the book above contain images? There is a simple way to find out! Look at the catalog record.
Under the Location, you will see Phys Descr. This will tell you the number of pages, the types of illustrative matter, if any, and the size. The most common terms used include:
The linked record above shows: Phys Descr x, 237 p.,  p. of plates : ill. (some col.) ; 25 cm. This book contains 16 plates, as well as other illustrative matter, some in color.
If you only see number of pages and size (cm.), the book probably does not contain images.