Finished! Looks like this project is out of data at the moment!
Results
We are releasing letters chronologically.
1948 – completed!
1949 – completed!
1950 – completed!
1952 – completed!
1953 – completed!
You've done it! You've transcribed it all! On behalf of the project team, a huge thank you to everyone who participated and a special thanks to those of you who were such dedicated (and accurate!) transcribers.
Update (5/4/2018): The transcription data (as raw data and as PDFs with the image files) are now available on GitHub