https://www.eaglemusicshop.com/musicks-delight-on-the-modern-cittern-mandolin-mandolas-and-bouzouki
Musick’s Delight on the Modern Cittern & Mandolin &c., Vol. 1.
Musick’s Delight on the Modern Cittern is intended for the beginner seeking a collection of simple yet attractive tunes that are enjoyable to play
on thedelightmoderncitternmandolin
https://www.proguitar.com/mandolin-tuner/cittern/mandolin-low-c
Mandolin low C - Cittern | Online Mandolin Tuner | ProGuitar
Tune your Cittern to Mandolin low C tuning online. Free chromatic tuner with microphone support and reference tones.
low cmandolincitternonlinetuner