ebay has a few:
https://www.ebay.com/b/Interior-Door-Handles-for-Volkswagen-Vanagon/179848/bn_50999234

Karl.

On Sat, Aug 1, 2020 at 4:21 PM Jim. Felder <jim.felder@gmail.com> wrote:

> My 90 tintop did not have a rear handle. My 83 westy has one. I think Ihave
> a spare off an 82 somewhere.
>
> Jim
>
> On Sat, Aug 1, 2020 at 2:28 PM Dan N <dn92610@gmail.com> wrote:
>
> > I have several vanagons and none of them has a handle at the rear of the
> > sliding door, I never saw one in a vanagon either.
> >
> > On Sat, Aug 1, 2020 at 12:08 PM Eric Caron <ericcaron96@comcast.net>
> > wrote:
> >
> > > Hi Jeff and others,
> > >
> > > I’m trying to remember.  I think my 84 did but I don’t remember if my
> 85
> > > does  I haven’t seen my van in over 5 months.
> > >  I’m thinking it doesn’t have such a handle.
> > >
> > > Something to add to my wish list!
> > > eRic
> > >
> > >
> > >
> > > > On Aug 1, 2020, at 1:41 PM, Jeff Palmer <w.jeff.palmer@icloud.com>
> > > wrote:
> > > >
> > > > Is there?! What years? I think my dads 79 might have had one but
> don’t
> > > think my 85 ever did. Eric does yours? Would love to get one if it did!
> > > >
> > > > Jeff
> > > >
> > > > Sent from my iPhone
> > > >
> > > >> On Jul 31, 2020, at 4:26 PM, Stuart MacMillan <stuartmacm@gmail.com
> >
> > > wrote:
> > > >>
> > > >> There is a handle at the rear of the door for this purpose.  Just
> > > slide door
> > > >> slowly to the front and pull the handle in to engage the latch
> rather
> > > than
> > > >> slamming it.  From the outside you can push in the rear edge of the
> > > door to
> > > >> latch it.
> > > >>
> > > >>
> > > >>
> > > >> Stuart
> > >
> >
>