A Gas Film Lubrication Study - Part III: Experimental Investigation of Pivoted Slider Bearings. - Russell K. Brunner; John M. Harker; Kenneth E. Haughton; Alfred G. Osterlund (IBM J. Res. Dev., 1959)

Magnetic disks for bulk storage: past and future. - John M. Harker; Hsu Chang (AFIPS Spring Joint Computing Conference, 1972)

A Quarter Century of Disk File Innovation. - John M. Harker; Dwight W. Brede; Robert E. Pattison; George R. Santana; Lewis G. Taft (IBM J. Res. Dev., 1981)