1. discussion of An inclined plume, by Garth S. Harris;Barr;J. Eng. Mech. Div., Proc. Am. Soc. Civil Engrs.,1965
2. Discriminating formulation of n term nondimensional functional equations from n + 1 term dimensionally homogeneous equations, with particular reference to incomprehensible viscous flow;Barr;Proc. Inst. Civil Engrs.,1968
3. discussion of Sediment transport in supercritical flow, by R. W. Ansley;Barr;J. Hydraul. Div., Proc. Am. Soc. Civil Engrs.,1966
4. discussion of Sediment transportation mechanics: Initiation of motion, by the Task Committee on the Preparation of Sedimentation Manual;Barr;J. Hydraul. Div., Proc. Am. Soc. Civil Engrs.,1966
5. Model simulation of surface profiles in tidal and non-tidal water-courses;Barr;The Engineer,1966