the book of ferns 61 × 29.5 × 5 cm collection Centre national des arts plastiques
on a roadside near restinga 73 × 102 cm collection Kröller Müller Museum, Otterlo
collected at the dry wall in the north of paleochora 18-3-1978 19.2 × 37 cm collection susanne jacob de vries
collected near paleochora 18-3-1978 16 × 11.5 cm collection susanne jacob de vries
ferns of gavdos, collected gavdos (34 50'N, 24 05'E), april 1978 (22 ×) 23 × 16.5 cm edition 1 (portfolio)
collected: 3-4-1978 near ambelos, gavdos 25.2 × 19.2 cm collection susanne jacob de vries
collected 12 4 '78 azogires, kreta 16 × 11.5 cm collection susanne jacob de vries
collected. 16-5-1978, drescher-eschenau 30.7 × 22.2 cm collection susanne jacob de vries
collected: milsterholz, 22-6-1978 30 × 21 cm
collected: grosser knetzberg 6-8-1978 (6 ×) 30 × 21 cm
the effects of the hailstorm of the end of july on our apple tree (1 + 20 ×) 21 × 14.8 cm
collected: 12 8 1978, eschenau 29.7 × 21 cm
collected: 16 8 1978, grosser knetzberg (1 + 6 ×) 14.8 × 10.5 cm
collected: eschenau, drescher 17 8 1978 (10 ×) cm
collected: eschenau, drescher ± 20 8 1978 29.7 × 21 cm collection susanne jacob de vries
collected: 4 11 1978, botanischer garten, bern 76 × 105 cm
collected: 3 12 1978, hermigua-playa, la gomera
collected: 21 12 1978, fileba, el hierro 26 × 36 cm collection susanne jacob de vries
collected: 24 12 1978 near taibique, el hierro 22.5 × 31.3 × 3.5 cm
collected: obere böhlschlucht 28.8.1978 variable
skizzenkoffer II 29 × 45 × 16 cm
3 bundles of wicker (3 ×) 100 × 35 × 35 cm
documents of a stream (4 ×) 33 × 27.5 × 10 cm
secret message 16.5 × 22.2 × 37.2 cm
vensterbeeld: blik op de a en het potterbakkersrijge collection Groninger Museum, Groningen
here & in the hills around i gather some plants 10.3 × 14.9 cm
research serie XXVI (12 ×) 24 × 24 cm edition 50 copies, numbered and signed
collected: eschenau 14.8 1978 height 252 cm
collected: eschenau 15.9 1978 height 260 cm