粒面光滑且呈天然色澤或奶油色澤的小牛皮，通常以有樹皮的植物鞣革，十九與二十世紀初期普遍用於裝訂法律書籍，尤見於英格蘭。現在裝訂的功能已被「法典用硬挺織物」取代。

淺棕色上等小牛皮(P,,U,繁體中文-偏好,D,,)
法律書小牛皮(,U,繁體中文-非偏好,UF,U,U)
ch'ien tsung se shang teng hsiao niu p'i (P,,U,韋氏拼音-偏好,UF,U,U)
qiǎn zōng sè shàng děng xiǎo niú pí (P,,U,漢語拼音-偏好,UF,U,U)
qian zong se shang deng xiao niu pi (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
law calf(P,,U,英文-偏好,D,U,N)
calf, fair(,U,英文-非偏好,UF,U,N)
calf, law(,U,英文-非偏好,UF,U,N)
fair calf(,U,英文-非偏好,UF,U,N)
becerro legal(P,,U,西班牙語-偏好,D,U,U)
piel de becerro(becerro legal)　(,U,西班牙語-非偏好,AD,U,U)

藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依來源區分之材料>
....................<生物材料>
........................動物材料
............................<加工之動物材料>
................................皮革
....................................<依來源區分之皮革>
........................................小牛皮 (皮革)
............................................淺棕色上等小牛皮

藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依來源區分之材料>
....................<生物材料>
........................動物材料
............................<加工之動物材料>
................................皮革
....................................<依程序區分之皮革>
........................................<植物鞣革>
............................................淺棕色上等小牛皮

distinguished from....	綿羊皮革
distinguished from....	法典用硬挺織物

英文....	Smooth-grained, natural- or cream-colored calf, vegetable-tanned, usually with bark, and commonly used in the 19th and early 20th centuries in binding law books, particularly in England. It has been superceded for that use by "law buckram."
西班牙語....	Becerro de grano suave y color natural o crema, curtido con vegetales, habitualmente corteza, y utilizado en el siglo XIX y comienzos del XX para encuadernar libros de leyes, en particular en Inglaterra. Ha quedado superado por el uso del "bucarán legal."

淺棕色上等小牛皮............	[AS-Academia Sinica]
.................	智慧藏百科全書網 August 21, 2012
law calf............	[VP]
.................	Roberts and Etherington, Bookbinding and the Conservation of Books (1982) 151
.................	Clough, Bookbinding for Librarians (1957) 187
.................	Oxford English Dictionary (1989)
.................	Webster's Third New International Dictionary (1961)
.................	Glaister, Encyclopedia of the Book (1996) 275
.................	Candidate term Candidate term -- HRHRC -- 8/96
fair calf............	[VP]
.................	Roberts and Etherington, Bookbinding and the Conservation of Books (1982) 151
.................	Glaister, Encyclopedia of the Book (1996) 275
.................	Candidate term Candidate term -- HRHRC -- 8/96; made UF here, as most cited sources state that it is a synonyms to law calf
becerro legal............	[CDBP-DIBAM]
.................	TAA database (2000-)
piel de becerro(becerro legal)............	[CDBP-DIBAM]
.................	Rico y Martínez, Diccionario Técnico Akal de conservación y restauración de bienes culturales, español-alemán-inglés-italiano-francés (2003) 162

Getty AAT: 300263570 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300263570
聯合目錄： 淺棕色上等小牛皮 、法律書小牛皮 、ch'ien tsung se shang teng hsiao niu p'i 、qiǎn zōng sè shàng děng xiǎo niú pí 、qian zong se shang deng xiao niu pi 、law calf 、calf, fair 、calf, law 、fair calf 、becerro legal 、piel de becerro