Peter Wells (1980) -- reconstructed pattern of distribution of Mediterranean goods in Celtic prestige-goods economy.
This file will include comparisons of various drawings used by scholars to illustrate arguments regarding Greek stylistic influence on Celtic art. There are some problems with the scanning, manipulation and relatively low-resolution reproduction of line drawings that I am still working out.
First page of Ludwig Wamser's article on Celtic chariots, showing a Greek geometric vase painting.
First page of article by Frey and Schwappach on early Celtic design, with drawing captioned "Frieze of a Caeretan Hydria."
Drawings: Top: Caeretan hydria. 
Middle: Eigenbilsen gold foil drinking horn ornament band.
Bottom: Gold cup from Schwarzenbach 
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Drawings: S-comma and triskele shapes.
1, 5, 6: Gold cup from Schwarzenbach.
2: Waldalgesheim bronze flagon, incised ornament.
3: Hoppstädten bronze funnel sieve, incised ornament.
4 and 7: Bavilliers (France) sword scabbard ornament.
8: Reinheim gilded bronze flagon, incised ornament.
Drawings: comparison of floral ornaments.
1, 4, 6: Greek Red Figure vase painting, details.
2: Bern-Schoßhalde silver fibula.
3: Dammelberg torc.
5: Sanzeno sword scabbard.
7: Bussy-le-Château (France) torc.
Drawings: Comparison of tendrils and volutes.
1: Berru bronze helmet, incised ornament.
2: Brunn-am-Steinfeld bronze applique, repoussé and incised.
3, 5: Waldalgesheim bronze flagon (caption is unclear on which object).
4: Puisieul (France).
6: "Comacchio" (Northern Italy).
7: Bussy-le-Chåteau (France).
8: Moscano di Fabriano (Italy).
Drawing of incised design on flagon from Besançon.