• HOY, R. J.

The Indexer: The International Journal of Indexing (1963), 3, (4), 135

• Hoy, R. J.
• , G. N. K.

The Indexer: The International Journal of Indexing (1958), 2, (4), 153–155.

• HENLEY, THOMAS R.
• Hoy, R. J.
• DIXON, G.
• KNIGHT, G. NORMAN

The Indexer: The International Journal of Indexing (1958), 2, (2), 69–71.