Found the following hamletworks.org entries referring to line 398

View Commentary Note for 398
398 In dreadfull secresie impart they did,1.2.207

View Immaterial Textual Note for 398
398 In dreadfull secresie impart they did,1.2.207

View Material Textual Note for 398
398 In dreadfull secresie impart they did,1.2.207