Found the following hamletworks.org entries referring to line 857

View Commentary Note for 842
842 Ham. Vppon my sword. {D4v}1.5.147

View Material Textual Note for 853
853 Ham. Hic, & vbique, then weele shift {our} <for> ground:1.5.156

View Commentary Note for 854
854 Come hether Gentlemen1.5.157

View Material Textual Note for 854
854 Come hether Gentlemen1.5.157

View Commentary Note for 855
855 And lay your hands againe vpon my sword, 1.5.158

View Material Textual Note for 855
855 And lay your hands againe vpon my sword, 1.5.158

View Material Textual Note for 856
856 Neuer to speake of this that you haue heard.1.5.160

View Commentary Note for 857
857 {Sweare by my sword}1.5.159

View Immaterial Textual Note for 857
857 {Sweare by my sword}1.5.159

View Material Textual Note for 857
857 {Sweare by my sword}1.5.159

View Commentary Note for 858
858 Ghost. Sweare {by his sword}.1.5.161