sheet 1: titled 'robinia', signed (with initial) and dated on the front (graphite pencil)

sheet 2: signed (with initial) and dated on the front (graphite pencil)

sheet 3: signed (with initial) and dated on the front (graphite pencil)

sheet 4: signed (with initial) and dated on the front (graphite pencil)

sheet 5: titled '3 × (luzula campestris)', signed (with initial) and dated on the front (graphite pencil)

sheet 6: signed (with initial) and dated on the front (graphite pencil)

sheet 7: signed (with initial) and dated on the front (graphite pencil)

sheet 8: signed (with initial) and dated on the front (graphite pencil)

sheet 9: signed (with initial) and dated on the front (graphite pencil)

sheet 10: signed (with initial) and dated on the front (graphite pencil)

sheet 11a-b: signed (with initial), dated and numbered 'I[-II]' on the front (graphite pencil)

sheet 12: titled 'am ahornbrunnen, frühling 1990', signed (with initial) and dated on the front (graphite pencil)

sheet 13: signed (with initial) and dated on the front (graphite pencil)

sheet 14 : signed (with initial) and dated on the front (graphite pencil)

sheet 15: signed (with initial) and dated on the front (graphite pencil)

sheet 16: signed (with initial) and dated on the front (graphite pencil)

sheet 17: signed (with initial) and dated on the front (graphite pencil)
titled 'von nepali räucherstäbschen' on the reverse (graphite pencil)

sheet 18: signed (with initial) and dated/location 'weerselo 9 4 1990' on the front (graphite pencil)

sheet 19: signed (with initial) and dated on the front (graphite pencil)

sheet 20: signed (with initial) and dated/location 'bamberg 90' on the front (graphite pencil)

sheet 21: signed (with initial) and dated on the front (graphite pencil)

sheet 22: signed (with initial) and dated on the front (graphite pencil)

sheet 23: not signed nor dated

sheet 24: titled 'the saviours', not signed nor dated on the front (graphite pencil)