https://www.lybrary.com/cards-across-p-17921.html
Cards Across by Allan Ackerman : Lybrary.com
This is a routine Allan Ackerman developed in the early 1970s where he tried to achieve the cards across effect with as little motion as possible. He also...
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https://magicref.net/magicbooks/books/ackermanallanicantbelievenotcards.htm
Allan Ackerman: I Can't Believe It's Not All Cards Lecture Tour
allan ackermani canbelieve itcardslecture
https://nndb.com/people/779/000174257/
Robert Allan Ackerman
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