Rasch, G. (1960) Probabilistic models for some intelligence and attainment tests. Copenhagen: Danmarks Paedogogiske Institut. (reprinted 1980 with Foreword & Afterword by B. Wright, with Bibliography. Chicago: The University of Chicago Press)
Wright, B. (1968) Sample-free test calibration and person measurement. In Proceedings of the 1967 ETS invitational conference on testing problems. (pp. 85-101) Princeton: ETS.
Wright, B. & Panchapakesan, N. (1969) A procedure of sample-free item analysis. Educational and Psychological Measurement 29, pp. 23-48.
Fischer, G. (1973). The linear logistic test model as an instrument in educational research. Acta Psychologica, 37, 359–374.
Wright, B. & Stone, M. (1979) Best test design. Chicago: MESA Press.
Wright, B. & Masters, G.(1982) Rating scale analysis. Chicago: MESA Press.
Andrich, D. (1988) Rasch Models for Measurement. Newberry Park, CA: Sage Publications.
Fischer, G. (1995) Linear logistic models for change. In G. Fischer & I. Molenaar. (Eds.) Rasch models – foundations, recent developments, and applications. New York: Springer.
Linacre, J. (2004) Estimation methods for Rasch measures. In E. Smith & R. Smith (Eds.) Introduction to Rasch measurement. Theory, models and applications. (pp. 25-47) Maple Grove, MN: JAM Press.
Other stuff I might reference . . . Rasch Related References