Obligatory:
Michael H. Ross, Wojciech Pawlina Histology. A Text and Atlas.
Leslie P. Gartner, James L. Hiatt. Color Textbook of Histology.
Keith L.Moore, T.V.N. Persaud, Mark G. Torchia.Before we are born. Essentials of Embryology and Birth Defects.
Optional:
Jeffrey B Kerr. Functional Histology.
T.W.Sadler. Medical Embryology.