Found the following hamletworks.org entries referring to line 2820

View Commentary Note for 2820
2820 For good Polonius death: and we haue done but greenly 28204.5.83

View Immaterial Textual Note for 2820
2820 For good Polonius death: and we haue done but greenly 28204.5.83

View Material Textual Note for 2820
2820 For good Polonius death: and we haue done but greenly 28204.5.83