Archive.org has scanned several old "callbooks" which you can try searching in: https://archive.org/search.php?query=subject%3A%22callbook%22 https://archive.or

Archive.org has scanned several old "callbooks" which you can try searching in: https://archive.org/search.php?query=subject%3A%22callbook%22 https://archive.org/search.php?query=subject%3A%22callbook%2...