B. L. Keyfitz and H. C. Kranzer, eds., Nonstrictly Hyperbolic Conservation Laws, Contemporary Mathematics, 60, American Mathematical Society, Providence, 1987.
B. L. Keyfitz and M. Shearer, eds., Nonlinear Evolution Equations that Change Type, IMA Series Volume 27, Springer Verlag, 1990.
Book chapter
B. L. Keyfitz, 'Hold that Light! Modeling of Traffic Flow by Differential Equations', in Six Themes on Variations, (R. Hardt and R. Forman, eds), American Mathematical Society, 2005.
Selected publications in refereed journals
B. L. Keyfitz, 'Solutions with shocks: an example of an L1 contractive semi-group', Comm. Pure Appl. Math. XXIV, (1971), 125-132.
B. L. Keyfitz, R. E. Melnik and B. Grossman, 'An analysis of the leading-edge singularity in transonic small-disturbance theory', Quarterly Journal of Mechanics and Applied Mathematics, XXXI, (1978), 137-155.
B. L. Keyfitz and H. C. Kranzer, 'Existence and uniqueness of entropy solutions to the Riemann problem for hyperbolic systems of two nonlinear conservation laws', Journal of Differential Equations, 27, (1978), 444-476.
B. L. Keyfitz and H. C. Kranzer, 'The Riemann problem for a class of hyperbolic conservation laws exhibiting a parabolic degeneracy', Journal of Differential Equations, 47, (1983), 35-65.
B. L. Keyfitz, 'Classification of one state variable bifurcation problems up to codimension seven', Dynamics and Stability of Systems, 1, (1986), 1-41.
B. L. Keyfitz and G. G. Warnecke, `The existence of viscous profiles for transonic shocks', Communications in Partial Differential Equations, 16, (1991) 1197-1221.
B. L. Keyfitz, 'A geometric theory of conservation laws which change type', Zeitschrift fur Angewandte Mathematik und Mechanik, 75, (1995), 571-581.
B. L. Keyfitz and N. Keyfitz, 'The McKendrick Partial Differential Equation and its Uses in Epidemiology and Population Study', Mathematical and Computer Modelling, 26, (1997), 1-9.
B. L. Keyfitz, 'Self-Similar Solutions of Two-Dimensional Conservation Laws', Journal of Hyperbolic Differential Equations, 1 (2004), 445-492.
B. L. Keyfitz, 'The Fichera Function and Nonlinear Equations', Rendiconti Accademia delle Scienze detta dei XL, Memorie di Matematica e Applicazioni, XXX (2006), 83-94.
B. L. Keyfitz, 'Singular Shocks: Retrospective and Prospective', Confluentes Mathematici, 3 (2011), 445-470.
J. Holmes, B. L. Keyfitz and F. Tiglay, 'Nonuniform dependence on initial data for compressible gas dynamics: The Cauchy problem on R2', SIAM Journal of Mathematical Analysis, 50 (2018), 1237-1254.