Vintage Seashells 1 - A mid 1800s George Sowerby 8 x 10 Scientific Illustration Art Print. $9.99, via Etsy.
Seashells Vintage Images - Love the graphics fairy! (thegraphicsfairy.com)
Here is all the seashells from the book #dagdrömmar @_day_dream_drawings_#seashell #drawing
pencil sketches | Pencil Sketches Scenery. Although I don't think the drawing is very inspiring, the idea is quite nice. If i were to do something along these lines i would improve it by using a variety of different tools, not just a pencil.
seashell drawings - Google Search
seashell drawing | Lovely Zigzag Scallop Seashell Drawing Coloring Page
Alisa Burke — You, Me and the Sea Art Retreat Fall 2014
deviantART: More Like Blossom heart tribal climb BG by 2Face-
line drawings of seashells for filler on walls? different variations on tea-dyed paper with brown/black ink
Download and Print seashell and starfish coloring pages