sheet 1: signed (with initial) and dated/location 'nov. 1986 san sebastian' on the reverse (graphite pencil)
sheet 2: titled 'lavatera acerifolia, coll. taguluche', signed (with initial) and dated on the reverse (graphite pencil)
sheet 3: signed (with initial) and dated 'dec. 1986' on the reverse (graphite pencil)
sheet 4: titled 'from earth: around caleta valley', signed (with intial) and dated on the reverse (graphite pencil)
sheet 5: signed (with initial) and dated/location '1986 hermigua' on the reverse (graphite pencil)
sheet 6: signed (with initial) and location 'hermigua' on the front (graphite pencil)
sheet 7: signed (with initial) and dated on the front (graphite pencil)
sheet 8: titled 'from a horizontal profile, 294-295 a-i (j)', 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 11: titled 'cabezo de toro', signed (with initial) and dated on the front (graphite pencil)
sheet 12: titled 'cabezo de toro', signed (with initial), dated and annotated '[...]' on the front (graphite pencil)
sheet 13: signed (with initial), dated and annotated 'profil palmita-11' and notes concerning the numbers in the earth museum catalogue on top on the front (graphite pencil)
sheet 14: titled 'los aceviños (vinca de toros)', signed (with initial), dated and annotated with the number of the sample in the earth museum catalogue '209' on the front (graphite pencil)
sheet 15: signed (with initial) and dated on the front (graphite pencil)
sheet 16: signed (with initial) and dated/location 'hermigua +/- 3 2 87 (zeg)' on the reverse (graphite pencil)
sheet 17: signed (with initial) and dated/location 'hermigua 2 2 87 (musa[)]' on the reverse (graphite pencil)
sheet 18: not signed nor dated
sheet 19: signed (with initial) and dated/location '21? 1 87 hermigua' on the front (graphite pencil)
sheet 20: only some notes '(cellophan tütchen mit erde)' and numbers referring to the earth museum catalogue on the front (graphite pencil)
signed and dated/location 'hermigua .. jan. 1987' on the reverse (graphite pencil)
sheet 21: signed (with initial) and annotated with numbers referring to the earth museum catalogue on the front (graphite pencil)
sheet 22: the same samples of earth, but diluted with water, signed (with initial) and annotated '(con aqua)' and numbers referring to the earth museum catalogue on the front (graphite pencil)
sheet 23: signed (with initial) and dated '11 jan. 1987' and annotated '(coll. von lisa)' on the reverse (graphite pencil)
sheet 24: signed (with initial) and dated 'jan. 1987' on the reverse (graphite pencil)
sheet 25: signed (with initial) and dated 'jan. 1987' on the reverse (graphite pencil)
sheet 26: titled 'profil barrera de la villa', signed (with initial), dated 'ja. 1987' and annotated '135 a, b, c, d, e, f,' and (ausr. susanne)' on the on the reverse (graphite pencil)
sheet 27: signed (with initial) and dated 'dec. 1987' on the reverse (graphite pencil)