Among these were the periodic comets 18D/Perrine–Mrkos, 45P/Honda–Mrkos–Pajdušáková, 124P/Mrkos and 143P/Kowal–Mrkos.
Printre acestea sunt și cometele periodice 18D/Perrine–Mrkos, 45P/Honda–Mrkos–Pajdušáková, 124P/Mrkos and 143P/Kowal–Mrkos.