"Analysis of rhesus monkey vocalizations: Maturation-related sex differences in clear-call frequency" in American Journal of Biological Anthropology

"Attachment formation and separation in heterosexually naive preadult rhesus monkeys (Macaca mulatta)" in Developmental Psychobiology

"Age of sexual maturity in laboratory-born pairs of rhesus monkeys (Macaca mulatta)" in Primates

"Sexually aroused self-aggression in a socialized, adult male monkey" in Archives of Sexual Behavior

"Follow-up study of isolation-reared and mother-reared rhesus monkeys paired with preadolescent conspecifics in late infancy: Cross-sex pairings" in Developmental Psychology

"Initial heterosexual behavior of adolescent rhesus monkeys (Macaca mulatta)" in Archives of Sexual Behavior

"A comparison of two timed-mating strategies for breeding pigtail monkeys. (Macaca nemestrina)" in Theriogenology

"Infant mortality in Macaca nemestrina: Neonatal and post-neonatal mortality at the Regional Primate Research Center Field Station, University of Washington, 1967–1974" in Theriogenology

"Ambisexual behavior with male-male anal penetration in male rhesus monkeys" in Archives of Sexual Behavior

"Social density and aggression in captive groups of pigtail monkeys (Macaca nemestrina)" in Applied Animal Ethology

"Age of menarche in pigtail monkeys (Macaca nemestrina): A cross-sectional survey of perineal tumescence" in Theriogenology

"Effects of group composition on agonistic behavior of captive pigtail macaques, Macaca nemestrina" in American Journal of Biological Anthropology

"Effects of short-term crowding on aggression in captive groups of pigtail monkeys (Macaca nemestrina)" in Aggressive Behavior

"Infant mortality in Macaca fascicularis: Neonatal and post-neonatal mortality at the Regional Primate Research Center Field Station, University of Washington, 1967–1976" in Theriogenology

"Measures of activity in captive monkey groups" in Primates

"Diurnal variation of common behaviors of pigtail monkeys (Macaca nemestrina)" in Primates

Captivity and Behavior: Primates in Breeding Colonies, Laboratories and Zoos

"Factors Influencing Survival and Development of Macaca nemestrina and Macaca fascicularis Infants in a Harem Breeding Situation" in Nursery Care of Nonhuman Primates

"The comparative nature of primate biology" in American Journal of Primatology

"Primatology evolving" in American Journal of Primatology

"American Journal of Primatology: The first year" in American Journal of Primatology

"Breadth and balance in primatology" in American Journal of Primatology

"Effects of weaning age on mortality of colony-born Macaca nemestrina" in Theriogenology

"Basic and applied primatology" in American Journal of Primatology

"Primate conservation: Needs and means" in American Journal of Primatology

"Auditory brainstem and middle latency responses in non-human primates" in Hearing Research

"Peer review in primatology: Quality control and communication" in American Journal of Primatology

Comparative Primate Biology

"Editorial" in American Journal of Primatology

"Population survey of macaques in northern Sulawesi" in American Journal of Primatology

"Effects of management methods, social organization, and physical space on primate behavior and health" in American Journal of Primatology

"Reviewed Work: Naturalistic Environments in Captivity for Animal Behavior Research. Edited by Edward F. Gibbons, Jr., Everett J. Wyers, Everett Waters, and Emil W. Menzel, Jr." in International Journal of Primatology

"Islet cell antibodies in Sulawesi macaques" in American Journal of Primatology

"A Neuronal Morphologic Type Unique to Humans and Great Apes" in Proceedings of the National Academy of Sciences of the United States of America

"Alzheimer's research is vital in work on ageing" in Nature

"Neurochemical and Cellular Specializations in the Mammalian Neocortex Reflect Phylogenetic Relationships: Evidence from Primates, Cetaceans, and Artiodactyls" in Brain, Behavior, and Evolution

"Practical approaches to stereology in the setting of aging- and disease-related brain banks" in Journal of Chemical Neuroanatomy

"The Anterior Cingulate Cortex: The Evolution of an Interface between Emotion and Cognition" in Annals of the New York Academy of Sciences

"An unusual population of pyramidal neurons in the anterior cingulate cortex of hominids contains the calcium-binding protein calretinin" in Neuroscience Letters

"Morphological alterations in neurons forming corticocortical projections in the neocortex of aged Patas monkeys" in Neuroscience Letters

"Age-related changes in GluR2 and NMDAR1 glutamate receptor subunit protein immunoreactivity in corticocortically projecting neurons in macaque and patas monkeys" in Brain Research

"Evolution of Specialized Pyramidal Neurons in Primate Visual and Motor Cortex" in Brain, Behavior, and Evolution

"Neuroanatomical Basis of Facial Expression in Monkeys, Apes, and Humans" in Annals of the New York Academy of Sciences

"Cortical Orofacial Motor Representation in Old World Monkeys, Great Apes, and Humans: II. Stereologic Analysis of Chemoarchitecture" in Brain, Behavior, and Evolution

"Cortical Orofacial Motor Representation in Old World Monkeys, Great Apes, and Humans: I. Quantitative Analysis of Cytoarchitecture" in Brain, Behavior, and Evolution

"Brain structure variation in great apes, with attention to the mountain gorilla (Gorilla beringei beringei)" in American Journal of Primatology

"Evolution of Increased Glia-neuron Ratios in the Human Frontal Cortex" in Proceedings of the National Academy of Sciences of the United States of America

"Histological asymmetries of primary motor cortex predict handedness in chimpanzees (Pan troglodytes)" in The Journal of Comparative Neurology

"Cholinergic innervation of the frontal cortex: Differences among humans, chimpanzees, and macaque monkeys" in The Journal of Comparative Neurology

"Differences in Cortical Serotonergic Innervation among Humans, Chimpanzees, and Macaque Monkeys: A Comparative Study" in Cerebral Cortex

"Cortical dopaminergic innervation among humans, chimpanzees, and macaque monkeys: A comparative study" in Neuroscience

"Species-specific distributions of tyrosine hydroxylase–immunoreactive neurons in the prefrontal cortex of anthropoid primates" in Neuroscience

"Broca's Area Homologue in Chimpanzees (Pan troglodytes): Probabilistic Mapping, Asymmetry, and Comparison to Humans" in Cerebral Cortex

"Neocortical synaptophysin asymmetry and behavioral lateralization in chimpanzees (Pan troglodytes)" in European Journal of Neuroscience

"Inhibitory interneurons of the human prefrontal cortex display conserved evolution of the phenotype and related genes" in Proceedings of the Royal Society B

"The von Economo neurons in frontoinsular and anterior cingulate cortex in great apes and humans" in Brain Structure and Function

"The von Economo neurons in the frontoinsular and anterior cingulate cortex" in Annals of the New York Academy of Sciences

"Aging of the cerebral cortex differs between humans and chimpanzees" in Proceedings of the National Academy of Sciences of the United States of America

"Neuropeptide Y-immunoreactive Neurons in the Cerebral Cortex of Humans and Other Haplorrhine Primates" in American Journal of Primatology

"Alzheimer's disease pathology in the neocortex and hippocampus of the western lowland gorilla (Gorilla gorilla gorilla)" in The Journal of Comparative Neurology

"Humans and great apes share increased neocortical neuropeptide Y innervation compared to other haplorhine primates" in Frontiers in Human Neuroscience

"Variable temporoinsular cortex neuroanatomy in primates suggests a bottleneck effect in eastern gorillas" in The Journal of Comprartive Neurology

"A neuronal aging pattern unique to humans and common chimpanzees" in Brain Structure and Function

"Early Alzheimer's disease-type pathology in the frontal cortex of wild mountain gorillas (Gorilla beringei beringei)" in 

"Human-specific increase of dopaminergic innervation in a striatal region associated with speech and language: A comparative analysis of the primate basal ganglia" in The Journal of Comparative Neurology

"Microglia Changes Associated with Alzheimer's Disease Pathology in Aged Chimpanzees" in Alzheimer's & Dementia

"Cholinergic innervation of the basal ganglia in humans and other anthropoid primates" in The Journal of Comparative Neurology

"Aged chimpanzees exhibit pathologic hallmarks of Alzheimer's disease" in Neurobiology of Aging

"Microglia changes associated to Alzheimer's disease pathology in aged chimpanzees" in The Journal of Comparative Neurology

"Astrocytic changes with aging and Alzheimer's disease-type pathology in chimpanzees" in The Journal of Comparative Neurology

"Neuron loss associated with age but not Alzheimer's disease pathology in the chimpanzee brain" in Philosophical Transactions of the Royal Society B

"The connections of the insular VEN area in great apes: A histologically-guided ex vivo diffusion tractography study" in Progress in Neurobiology

"A comparison of cell density and serotonergic innervation of the amygdala among four macaque species" in The Journal of Comparative Neurology

"Comparative neuropathology in aging primates: A perspective" in American Journal of Primatology

"Erratum" in The Journal of Comparative Neurology

"Erratum to “A comparison of cell density and serotonergic innervation of the amygdala among four macaque species”" in The Journal of Comparative Neurology