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| HUNTINGTON, G.: The Genetic Principles of the Development of the Systemic Lymphatic Vessels in the Mammalian Embryo, Anat. Rec., 1910, iv. |
| HUNTINGTON and MCCLURE: The Anatomy and Development of the Jugular Lymph Sacs in the Domestic Cat, Am. Jour. Anat., 1910, x. |
| SAPPY: Description et Iconographie des Vaisseaux Lymphatiques, Paris, 1885. |
| SABIN, F. R.: The Development of the Lymphatic System, Keibel and Mall, Manual of Human Embryology, 1912. |
| TEICHMAN: Das Saugadermsystem, Leipzig, 1861. |
