Sowarka, D., Kliegl, R., & Baltes, P. B. (1988). Kognitive Trainingsforschung zur fluiden Intelligenz im Alter: Leistungszugewinne ohne Trainingsanleitung. In Bericht über den 36. Kongreß der Deutschen Gesellschaft für Psychologie in Berlin 1988 (Vol. 1, pp. 460–461). Hogrefe.

Baltes, P. B. (1987). Gerontologie. In D. W. von Goddenthow (Ed.), Das Märchen vom Ruhestand (3rd ed., pp. 68–80). Herder.

Baltes, P. B. (1987). Learned helplessness. In G. L. Maddox (Ed.), The encyclopedia of aging (pp. 379–380). Springer.

Baltes, P. B. (1987). Life review: Reminiscence. In G. L. Maddox (Ed.), The encyclopedia of aging (pp. 398–399). Springer.

Baltes, P. B. (1987). Developmental psychology. In G. L. Maddox (Ed.), The encyclopedia of aging (pp. 170–175). Springer.

Baltes, P. B., & Kliegl, R. (1987). Das Janusgesicht des Alters: Über Wachstum und Abbau in Intelligenz und Gedächtnis. In E. H. Graul, S. Pütter, & D. Loew (Eds.), Medicenale XVII. Medice.

Kliegl, R., & Baltes, P. B. (1987). Theory-guided analysis of mechanisms of development and aging through testing-the-limits and research on expertise. In C. Schooler & K. W. Schaie (Eds.), Cognitive functioning and social structure over the life course (pp. 95–119). Ablex Publishing.

Baltes, P. B. (1986). Focus on the psychologist: Paul B. Baltes: [Autobiographical statement]. In R. M. Lerner, P. C. Kendall, D. T. Miller, D. F. Hultsch, & R. A. Jensen (Eds.), Psychology (pp. 357–357). Macmillan Publishing Company.

Baltes, P. B. (1986). Notes on the concept of intelligence. In R. J. Sternberg & D. K. Detterman (Eds.), What is intelligence? Contemporary viewpoints on its nature and definition (pp. 23–27). Ablex Publishing.

Baltes, P. B., Dittmann-Kohli, F., & Dixon, R. A. (1986). Multidisciplinary propositions on the development of intelligence during the adulthood and old age. In A. B. Soerensen, F. E. Weinert, & L. R. Sherrod (Eds.), Human development and the life course: Multidisciplinary perspectives (pp. 467–507). Erlbaum.

Dixon, R. A., & Baltes, P. B. (1986). Toward life-span research on the functions and pragmatics of intelligence. In R. J. Sternberg & R. K. Wagner (Eds.), Practical intelligence: Nature and origins of competence in the everyday world (pp. 203–235). Cambridge University Press.

Kliegl, R., Smith, J., & Baltes, P. B. (1986). Testing-the-limits, expertise, and memory in adulthood and old age. In F. Klix & H. Hagendorf (Eds.), Human memory and cognitive capabilities: Mechanisms and performances: Part A (pp. 395–407). North-Holland.

Sowarka, D., & Baltes, P. B. (1986). Intelligenzentwicklung. In W. Sarges & R. Fricke (Eds.), Psychologie für die Erwachsenenbildung, Weiterbildung (pp. 262–272). Hogrefe.

Steinhausen, H.-C., & Smith, J. (1986). Cognitive development in Turner syndrome. In B. Stabler & L. E. Underwood (Eds.), Slow grows the child: Psychosocial aspects of growth delay (pp. 111–122). Erlbaum.

Baltes, P. B. (1985). Das Altern der Intelligenz: Nicht nur Abbau. In G. W. Goddenthow (Ed.), Das Märchen vom Ruhestand (pp. 67–80). Herder.

Dixon, R. A., Kramer, D., & Baltes, P. B. (1985). Intelligence: A life-span developmental perspective. In B. B. Wolman (Ed.), Handbook of intelligence: Theories, measurements, and applications (pp. 301–350). Wiley.

Kliegl, R., & Baltes, P. B. (1985). Das Janusgesicht des Alterns: Latente Leistungsreserven und ihre Grenzen am Beispiel von Gedächtnisaufgaben. In L. Montada (Ed.), Bericht über die 7. Tagung Entwicklungspsychologie vom 22.-25.9.1985 in Trier (pp. 448–449). Universität.

Kramer, D. A., & Baltes, P. B. (1985). Life-span development. In A. Kuper & J. Kuper (Eds.), The social science encyclopedia (pp. 464–465). Routledge & Kegan Paul.

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.