"Essentials of Psychology" Douglas A. Bernstein, Peggy W. Nash which is on the net has it (spaced out - "9 2 5")

They reference Howard which doesn't seem to be 'available'

Here is a test of your immediate memory span (Howard, 1983). Ask someone to read to you the numbers in the top row at the rate of about one per second; then try to repeat them back in the same order. Then try the next row, and the one after that, until you make a mistake. Your immediate memory span is the maximum number of items you can repeat back perfectly.