This document provides information on various staining techniques used for peripheral blood smears. It discusses Romanowsky stains, which are commonly used staining methods that involve basic dyes like methylene blue and acidic dyes like eosin. Specific stains covered include Leishman stain, Giemsa stain, Wright stain, Field stain, and Jenner stain. The document outlines the components, preparation, and staining procedure for each method. It also notes some precautions to avoid over or under staining of blood films.