Examination Schools clock North Writing School marble staircase marble banister Examination Schools clocks fireplace tiles Examination Schools clocks Examination Schools quad Queen Caroline cupola Oxford scholars Sheldonian head no.17 Sheldonian head no.16 Sheldonian head no.17 Sheldonian head no.15 Sheldonian head no.14 Sheldonian head no.17 Sheldonian head no.15 Sheldonian head no.14 Sheldonian head no.12 Sheldonian head no.13 Sheldonian head no.12 Sheldonian head no.11 Sheldonian head no.10 leaded window South Writing School Examination Schools window Examination Schools staircase Examination Schools quadrangle windows on the High Merton Street houses Postmasters' Hall Merton College chapel Postmasters' Hall Turnbull pelican sundial Main Quad and Turnbull sundial Turnbull sundial Corpus Christi Main Quad Corpus Christi roof garden Corpus Christi inner quad Main Quad with pelican sundial bussing past Magdalen Critchleys carbuncle vintage Oxford bus vintage Oxford single decker vintage Oxford buses