Both, the Simple and the Advanced Search can handle the Boolean Operators (e.g."discoid AND Neumark" or "Homo sapiens NOT adult").
Here you can find the complete search syntax.
When you searching NESPOS by Simple Search, the program will include the content of the following
types of attachments: Word, Text, PowerPoint, Excel, PDF, HTML
You can easily save every querry as a bookmark with your browser
The Simple Search
To scour the complete Database.
The Timeslice Search
If you are searching for layers with specific cultural attribution, just click below. Only for the Open Content!