Why, I do not know; it makes things very annoying for people who know what kind of paper (based on geographic location, etc.) might have what they are searching for.
Here's a non-exhaustive list via searching manually. Note that Google may be missing some individual issues in the "Google Holding Dates" range; these are merely the earliest and latest I found for them.
Part 1:
| Name | Publishing Period | Google Holding Dates |
| Montreal Gazette | 1785- | 8/28/1928- |
| Miami News | 1896-1988 | 6/12/1940 |
| The Evening Independent (St. Petersburg, FL) | ?-1986 | Complete |
| The Age (Melbourne, Australia) | 1854- | 3/15/1943-3/4/1955 |
