622.23  Historical and scientific works.
  Historical works, books of science or art, and published maps or charts, when made by persons indifferent between the parties, are presumptive evidence of facts of general notoriety or interest therein stated.
[C51, §2402; R60, §3995; C73, §3653; C97, §4618; C24, 27, 31, 35, 39, §11276; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §622.23]