Check If Sheet Exists In Destination Workbook Before Copying

I am trying to write some code that will copy the worksheets from one workbook (wkbSource) to another (wkbTarget), but I need it to maker sure the worksheets being copied from wkbSource don't already exist in wkbTarget. If they do exist, it just skips and moves to the next worksheet. Here is the code I have already, I thought that by adding the On Error Resume Next to the code it would just skip it, but for some reason it is still copying the first duplicate workbook, then it skips.

Code:
Dim wkbSource As Workbook
Dim wkbTarget As Workbook
Dim WorkbookName As String
WorkbookName = ThisWorkbook.Name

[Code] .........