Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Handmade sign with white graph paper and black marker taped to cardboard, reading: "From Ohio and Oklahoma, you are loved and will not be forgotten."

Post-it note with handwritten message in black marker. The message reads: "No words! RIP." Stain in the upper right corner due to exposure to the elements at the Wilkins memorial.

Floral tag from floral arrangement addressed to the Congregation and Staff at Tree of Life Synagogue. The message is printed on flower tag from a local florist. Creasing due to exposure to the elements at the Wilkins memorial.

Floral tag enclosed in orange envelope from floral arrangement. The tag reads: "Love from your friends in Sewickley." The message is writtein black ink on a printed tag with a forest landscape; the "o" in "Love" is written as a heart. The reverse is stamped with the contact information fo Squirrel Hill Flower Shop.

Single sheet folded in half. Contains photocopy of two pages from the "Readings: Prelude to Kaddish" section of the Kol Haneshamah Shabbat Vehagim prayerbook. One side contains the poem "Each Of Us Has a Name" in English and Hebrew. Other side contains "In Many Houses" by Diane Cole and "To open eyes when others close them" by Emmanuel Eydoux.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a mandala with floral motifs with the words "Good Luck" written below. The back contains a handwritten note, "Stronger Together" sticker, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a turtle with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in black marker. The message reads: "What happened here will not be forgotten." Signed with a Star of David.

Trifold pamphlet on off white paper with typed text. Cover features photograph of chandelier from the Rodef Shalom Congregation sanctuary, quote by Ahad Ha'am, and congregational logo. Interior lists details for Friday night and Saturday morning services, lists the names of the victims of the October 27 attack, and reprints original poetry by Rabbi Danny Schiff, Chana Brody, and Valerie Bachrach. Back cover lists officers of the congregation. Two-page insert lists upcoming events at the congregation.

Post-it note with handwritten message in green marker. The message reads: "In this time where hate is prevalent...let's remind each other of how much good there is and teach our children the importance of."

Post-it note with handwritten message in green marker. The message reads: "Doubt is not the opposite of faith, fear is [underlined] let us not fear."

Collage with a hand drawn tree in the center. Leaves comprised of multicolored tissue paper; two ready-made decorative leaves in orange, yellow, and red fabric. Signed in red ink lower center. Yinyang in blank ink appears on the lower right; dove outlined with fuchsia ink appears on the lower left.

Rectangular poster that says "Love one another right NOW" with music notes and pink hearts. Blank back.

Handwritten note written in black ink on blue paper. The note, which contains dozens of small, illustrated hearts around a large heart in the upper center, reads: "Lots of Love."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Be Strong" and other floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in black ink. The message reads: "Z"L."

Card made by a student from the George Washington University Hillel. The front cover features the partial outline of a tree; most of the ink faded has faded by water damage at the memorial site. The inside, which also has partial fading due to water damage, reads: "I can't think of the words to say that could possibly make this better for all of you. Just know that we are all here for you, as a Jewish community sending love and strength your way. Though it may not seem like it now, we will all make it through this and work to make tomorrow a better day.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Keep Going" surrounded by stars, arrows, and other floral motifs. The back contains a handwritten note, featuring a quote from the British historian, Richard Evans, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card from the Friendship Circle of Illinois. On the left side, the card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I will take upon myself to stay in shul (synagogue) at least for 3 aliyas (sections Torah reading where a congregant is called up to the reading podium). On the right side, the card contains cartoonish illustrations of a building and several figures. The acronym "B"SD" (with the help of heaven) appears on the upper right.