Found the following hamletworks.org entries referring to line 3819

View Commentary Note for 3819
3819 That are but mutes, or audience to this act,5.2.335

View Immaterial Textual Note for 3819
3819 That are but mutes, or audience to this act,5.2.335

View Material Textual Note for 3819
3819 That are but mutes, or audience to this act,5.2.335