Add a New EAD Type
First, navigate to the Knowledge Base ('Setup' >> 'Knowledge Base') and click on 'EAD Types' under the 'Other Templates' section:
Once there, select 'Add New' and enter the relevant details. Click 'Save' to finish:
Not seeing the 'EAD Type' in the menu? This section might also be under the ‘More Options’ drop-down box on the bottom of the left side menu of Knowledge Base, if the shortcut has not been added.