Marc

06 - Type of record

a - Language material

c - Notated music

d - Manuscript notated music

e - Cartographic material

f - Manuscript cartographic material

g - Projected medium

i - Nonmusical sound recording

j - Musical sound recording

k - Two-dimensional nonprojectable graphic

m - Computer file

o - Kit

p - Mixed materials

r - Three-dimensional artifact or naturally occurring object

t - Manuscript language material

a - Monographic component part

b - Serial component part

c - Collection

d - Subunit

i - Integrating resource

m - Monograph/Item

s - Serial