NASA artwork from September of 1963 illustrating two configurations for Class I Nova designs. The Class 1 designs were the lowest-technology of the three classes suggested, and involved the use of expendable vehicles and conventional propulsion systems.
Still, the Nova designs were sized to carry payloads of a million pounds or more, about four times that of the Saturn V.
You can download a 4.1 megabyte JPG file of the artwork; the link is HERE. To access it, you will need to enter a username and password. The username: the first word in the body of the text on page 7 of APR issue V2N3. The password: the first word in the body of the text on page 10 of the same issue. Note that both are case sensitive.