Holuša, O., Holuša, J., Sr. (2008): Characteristics of 3rd (Querci-fageta s. lat.) and 4th (Fageta (abietis) s. lat.) vegetation tiers of north-eastern Moravia and Silesia (Czech Republic). Journal of Forest Science, 54: 439–451.
Holway, D.A., Suarez, A.V. (2006): Homogenization of ant communities in mediterranean California: The effects of urbanization and invasion. Biological Conservation, 127: 319–326.
Holycross, A.T., Mackessy, S.P. (2002): Variation in the diet of Sistrurus catenatus (Massasauga), with emphasis on Sistrurus catenatus edwardsii (Desert Massasauga). J. Herpetol., 36: 454-464.
Holycross, A.T., Painter, C.W., Prival, D.B., Swann, D.E., Schroff, M.J., Edwards, T., Schwalbe, C.R. (2002):Diet of Crotalus lepidus klauberi (Banded Rock Rattlesnake). J. Herpetol., 36: 589-597.