April 1928

[Note: Use the sliders from both ends to define your date range]

Filter by Exact Date

[Notes: Articles published in monthly magazines are dated on the 1st of the month. Books where the exact date of publication are unknown, are dated as Dec, 31st, of the year they were published.]

Search for an Author

Select an Author

Filter by Co-Authors/Collaborators

[Note: first select the main author, then this will show co-authors, collaborators, compilers, etc.]

Filter by Recipients

[Note: this applies to recipients of letters and other correspondence.]