Incoming Resources
- A longitudinal twin study of intelligence in the second year, J. Steven Reznick, Robin Corley, JoAnn Robinson ; with commentary by Adam P. Matheny
- Twins, a study of three pairs of identical twins : with 30 charts, Dorothy Burlingham
- From fetus to child, an observational and psychoanalytic study, Alessandra Piontelli
- The trouble with twin studies, a reassessment of twin research in the social and behavioral sciences, Jay Joseph
- The twin in the transference, by Vivienne Lewin
- Someone else's twin, the true story of babies switched at birth, Nancy L. Segal
- Juggling twins, the best tips, tricks, and strategies from pregnancy to the toddler years, Meghan Regan-Loomis
- Alone in the mirror, twins in therapy, by Barbara Klein
- The culture of the copy, striking likenesses, unreasonable facsimiles, Hillel Schwartz
- The twins of Auschwitz, the inspiring true story of a young girl surviving Mengele's hell, Eva Mozes & Lisa Rojany Buccieri