1960, watercolor on paper, 22,5x33 cm, signed lower right „Filo 60“
1960, watercolor on paper, 35x25 cm, signed lower right „Filo 60“
1988, mixed media on cardboard, 46x33 cm, signed verso „F. Herman“
1968, mixed graphic techniques on paper, 36x23 cm, signed lower right „Ľudo Lehen“
1966, mixed graphic techniques on paper, 36x23 cm, signed lower right „Ľudo Lehen“
1967, colorwoodcut on paper (author´s copy), 33x21 cm, signed lower right „Lehen Ľudo“
1967, watercolor on paper, 38x27 cm, signed lower left „Lehen 67“
1967, ink, watercolor on paper, 55,5x36,5 cm, signed lower right „Ľ. Lehen 67“
1966, pastel on paper, 45x71 cm, signed upper right „Ľ. Lehen 66“
1982, oil on canvas, 70x80 cm, signed lower right „J. Považan 1982“
1959, oil on canvas, 70x50 cm, signed lower right „Škatulár 59“
1966, oil on fiberboard, 43x63 cm, signed lower right „K. Gandlová“
1987, pastel on paper, 53x34 cm, signed lower right „Š. Belohradský 1987“
1964, oil on canvas, 95x40 cm, signed on frame „Eckerdt, 1964“
1992, over paintingon paper, 18x17,5 cm, signed lower right „R. Fila 1992“
1975, mixed media on glass, 12x40 cm, signed lower right „R. Fila 75“