Sherrod, L. R., Baltes, P. B., & Elder, G. H. (1985). Foreword. In G. H. Elder (Ed.), Life course dynamics: Trajectories and transitions, 1968 - 1980 (pp. 9–13). Cornell University Press.

Baltes, P. B., Dittmann-Kohli, F., & Dixon, R. A. (1984). New perspectives on the development of intelligence in adulthood: Toward a dual-process conception and a model of selective optimization with compensation. In P. B. Baltes & O. G. J. Grimm (Eds.), Life-span development and behavior (Vol. 6, pp. 33–76). Academic Press.

Baltes, P. B., & Reese, H. W. (1984). The life-span perspective in developmental psychology. In M. H. Bornstein & M. E. Lamb (Eds.), Developmental psychology: An advanced textbook (pp. 493–531). Erlbaum.

Nesselroade, J. R., & Baltes, P. B. (1984). Sequential strategies and the role of cohort effects in behavioral development: Adolescent personality (1970-1972) as a sample case. In S. A. Mednick, M. Harway, & K. M. Finello (Eds.), Handbook of longitudinal research: Vol. 1. Birth and childhood cohorts (pp. 55–87). Praeger.

Nesselroade, J. R., & Baltes, P. B. (1984). From traditional factor analysis to structural-causal modeling in developmental research. In V. Sarris & A. Parducci (Eds.), Perspectives in psychological experimentation: Toward the year 2000 (pp. 267–287). Erlbaum.

Baltes, P. B. (1983). Zur Psychologie der Intelligenz im Alter - nur Abbau oder auch Entwicklung? In Max-Planck-Gesellschaft zur Förderung der Wissenschaften (Ed.), Jahrbuch / Max-Planck-Gesellschaft zur Förderung der Wissenschaften (Vol. 1983, pp. 53–72). Vandenhoeck & Ruprecht.

Baltes, P. B. (1983). Functional age and social policy in aging. In J. E. Birren, J. M. A. Munnichs, H. Thomae, & M. Marois (Eds.), Aging: A challenge to science and society: Vol. 3. Behavioural sciences and conclusions (pp. 435–438). Oxford University Press.

Baltes, P. B. (1983). Life-span developmental psychology: Observations on history and theory revisited. In R. M. Lerner (Ed.), Developmental psychology: Historical and philosophical perspectives (pp. 79–111). Erlbaum.

Baltes, P. B., & Sowarka, D. (1983). Entwicklungspsychologie und Entwicklungsbegriff. In R. K. Silbereisen & L. Montada (Eds.), Entwicklungspsychologie: Ein Handbuch in Schlüsselbegriffen (pp. 11–20). Urban & Schwarzenberg.

Baltes, M. M., & Baltes, P. B. (1982). Microanalytical research on environmental factors and plasticity in psychological aging. In T. M. Field, A. Huston, H. C. Quay, L. Troll, & G. E. Finley (Eds.), Review of human development (pp. 524–539). Wiley.

Baltes, P. B. (1982). Life-span developmental psychology: Some converging observations on history and theory. In K. W. Schaie & J. Geiwitz (Eds.), Readings in adult development and aging (pp. 12–25). Little, Brown and Co.

Baltes, P. B., & Willis, S. L. (1982). Plasticity and enhancement of intellectual functioning in old age: Penn State's Adult Development and Enrichment Project (ADEPT). In F. I. M. Craik & S. Trehub (Eds.), Aging and cognitive processes (pp. 353–389). Plenum Press.

Willis, S. L., & Baltes, P. B. (1982). Intelligence in adulthood and aging: Contemporary issues. In K. W. Schaie & J. Geiwitz (Eds.), Readings in adult development and aging (pp. 203–220). Little, Brown and Co.

Willis, S. L., Blieszner, R., & Baltes, P. B. (1982). Intellectual training research in aging: Modification of performance on the fluid ability of figural relations. In K. W. Schaie & J. Geiwitz (Eds.), Readings in adult development and aging (pp. 313–325). Little, Brown and Co.

Willis, S. L., Baltes, P. B., & Cornelius, S. W. (1981). Development and modifiability of adult intellectual performance: An examination of cognitive intervention in later adulthood. In M. P. Friedman, J. P. Das, & N. O'Connor (Eds.), Intelligence and learning (pp. 169–178). Plenum Press.

Baltes, P. B., & Baltes, M. M. (1980). Plasticity and variability in psychological aging: Methodological and theoretical issues. In G. E. Gurski (Ed.), Determining the effects of aging on the central nervous system (pp. 41–72). Schering AG.

Baltes, P. B., Cornelius, S. W., Spiro, A., Nesselroade, J. R., Willis, S. L., & Reinert, G. (1980). Integration versus Differenzierung von fluider und kristalliner Intelligenz im Alter [Integration versus differentiation of fluid-crystallized intelligence in old age]. In L. Montada (Ed.), Entwicklungspsychologie und Psychologieentwicklung: Symposium zum Gedenken an Günther Reinert, 23. Mai 1980 (pp. 40–64). Universität, Fachbereich I, Psychologie.

Baltes, P. B., & Danish, S. J. (1980). Intervention in life-span development and aging: Issues and concepts. In R. R. Turner & H. W. Reese (Eds.), Life-span developmental psychology: Intervention (pp. 49–78). Academic Press.

Willis, S. L., & Baltes, P. B. (1980). Intelligence in adulthood and aging: Contemporary issues. In L. W. Poon (Ed.), Aging in the 1980s: Psychological issues (pp. 260–272). American Psychological Association.

Baltes, P. B. (1979). Entwicklungspsychologie unter dem Aspekt der gesamten Lebensspanne: Einige Bemerkungen zur Geschichte und Theorie. In L. Montada (Ed.), Brennpunkte der Entwicklungspsychologie (pp. 42–60). Kohlhammer.