(It will be found convenient to give all this data on one card, to precede the list of the artist's works, using on all following cards the first, or well-known name, only.) [Illustration: Painting card; author, showing title of work, kind of work, gallery, etc. 2 Q Giorgione, II. G43h _Holy Family_. _Easel-picture_. _Venice_(Italy)-PalazzoGiovanelli. Naya, Venice. 993. Silver, 27x35cm. A] Ab Write the title on second blue line, at the right of red lines. Make it as brief as possible, using the important name in it, first. Christ, Baptism of; Christ, Betrayal of; Virgin Mary, Coronation of; St John, Birth of; St Peter, Martyrdom of. Ac Indicate after the title whether it is an easel-picture, fresco, statue, relief, or a part of a larger work. Ad Give on fourth blue line, at left of red lines, the official name of gallery, preceded by city, with country in parentheses. London (Eng.)-National Gallery. Ae Give the imprint on fifth blue line, beginning at the right of red lines: name of photographer, place of publication, date, number of print, process, size of print in cm., bottom by height. B Title card. This card should show, a, Title, b, Author. [Illustration: Painting card; title, with different authors and galleries. Holy Family. See _Buonarotti_. Florence (It.)-Palazzo Uffizi. Q-G43h _Giorgigne II_. Venice (It.)-Palazzo Giovanelli. _Ghirlandaio II_. Florence (It.)-Palazzo Uffizi. B] Ba Give on first blue line, beginning at the left of red lines, a full title, but as in Ab make the important name or word the first word. Christ, Baptism of; Christ, Betrayal of; St John, Birth of; Portrait of Pope Julius. Bb Give on second blue line, between red lines, the one well known or important author's name; the first one used in Aa. The title card becomes in most cases a series card, since the title of an often-represented subject attracts to itself many names of artists. In such cases arrange the authors' names alphabetically, in columns, and against them write the names of the galleries where the works are to be found. Give class and author number in blue ink at the left. C Gallery card. This card is a series card, and should show, a, name of gallery; b, names of the artists and their works in the gallery. Ca Give official name of gallery preceded by the name of the city where it is located, with country in parentheses. Cb Enter alphabetically, names of authors, with the title of their works, one author to a line. Give at the left, classification numbers in blue ink. [Illustration: Painting card; gallery, with authors and titles of works. Venice (Italy) - Palazzo Giovanelli Q-G43h Giargione II. Holy Family. C]