Text in periodical Hagen, Charles ; Kite, Laddy. – «Walter Wright and his amazing video machine». – Afterimage. – Vol. 2, no. 10 (April 1975). – P. 6-8.
Text in periodical Kite, Laddy. – «Video conference held at Albany». – Afterimage. – (Dec. 1974). – P. 5.
Text in periodical Kite, Laddy. – «Electronic ceremonies in Rochester». – Afterimage. – Vol. 2, no. 4 (Oct. 1974). – P. 2-3.