Toward a Biochemical Definition of the Endosomal Compartment; S. L. Schmid Analytical Subcellular Fractionation of Endosomal Compartments in Rat Hepatocytes; P. J. Courtoy Reconstitution of Endosomal Transport and Proteolysis; J. S. Blum, et al. Quantitative Fluorescence Techniques for the Characterization of Endocytosis in Intact Cells; N. H. Salzman, F. R. Maxfield Endocytosis and Function of the Hepatic Asialoglycoprotein Receptor; P. H. Weigel Characterization of Endocytic Components of Liver Nonparenchymal Cells; R. Wattiaux, et al. The Endocytic Compartments of Normal and Regenerating Liver; C. Enrich, W. H. Evans Potential Role of Endosomes in Transmembrane Signalling; M. N. Khan, et al. Index.